Topographic maps

The topography of the United States is characterized by diverse and dynamic landscapes that vary widely across the country. In the east, rolling hills and low mountains transition into the Appalachian Mountains, featuring peaks that generally reach around 6,000 feet (1,829 meters). Moving westward, the terrain…

Average elevation: 1,014 ft

Chicago is characterized by its predominantly flat terrain, with an average elevation of about 579 feet (176 meters) above sea level. The city's landscape is primarily shaped by its proximity to Lake Michigan to the east, which influences local weather and provides a scenic waterfront. While the central areas…

Average elevation: 597 ft

Seattle features a diverse topography characterized by its unique geographical setting between Puget Sound and Lake Washington. The city is situated on an isthmus, which contributes to its dramatic landscape, featuring rolling hills and steep slopes that rise abruptly from the waterfront. The average elevation…

Average elevation: 131 ft

San Francisco is characterized by its striking and varied topography, making it one of the most distinctive cities in the United States. The landscape features a mix of rolling hills and steep inclines, with the highest elevation reaching approximately 922 feet at Twin Peaks. The average elevation across the…

Average elevation: 207 ft

Arizona's topography is highly diverse, shaped by three distinct regions: the Colorado Plateau, the Basin and Range Province, and the Transition Zone. The northern Colorado Plateau is characterized by flat, high plains over 4,000 feet in elevation, including the Grand Canyon and its breathtaking cliffs. In…

Average elevation: 4,032 ft

Bermuda consists of over 150 limestone islands, but especially five main islands, along the southern margin of the Bermuda Platform, one of three topographic highs found on the Bermuda Pedestal. This Bermuda Pedestal sits atop the Bermuda Rise, a mid-basin swell surrounded by abyssal plains. The Bermuda…

Average elevation: 0 ft

Florida's topography is characterized by its predominantly flat landscape, with the highest elevation being Britton Hill at just 345 feet (105 meters) above sea level, making it the lowest high point of any U.S. state. The state is primarily divided into three physiographic regions: the Atlantic Coastal Plain,…

Average elevation: 20 ft

San Diego is characterized by a diverse topography that features coastal plains, rolling hills, and rugged mountain ranges. The city is situated along the Pacific Ocean, where it boasts an extensive shoreline with sandy beaches and tidal zones. As you move inland, the landscape transitions from the flat…

Average elevation: 410 ft

Austin features a diverse and varied topography shaped by its position along the Balcones Fault. The city’s elevation ranges from about 425 feet to approximately 1,000 feet above sea level, creating a landscape characterized by rolling hills and elevated areas particularly in the western regions. To the…

Average elevation: 709 ft

Missouri's topography is marked by a diverse array of landforms that contribute to its unique landscape. The state is characterized by four main physiographic regions: the Ozark Plateau, Dissected Till Plains, Mississippi Alluvial Plain, and the Osage Plains. The Ozark Plateau, located in the south, features…

Average elevation: 827 ft

Oregon's topography is strikingly diverse, characterized by an array of geographical features that shape its unique landscape. The state is framed by two significant mountain ranges: the Pacific Coast Range to the west and the Cascade Mountains running north to south through the center. This mountainous…

Average elevation: 3,077 ft

Colorado's topography is characterized by a diverse range of elevations and landforms, making it one of the most geologically varied states in the U.S. The state is dominated by the Rocky Mountains, which run north to south and include the highest peak in the contiguous United States, Mount Elbert, towering at…

Average elevation: 6,759 ft

California's topography is characterized by a remarkable diversity that includes expansive mountain ranges, deep valleys, and vast deserts. The Sierra Nevada mountains dominate the eastern part of the state, with peaks such as Mount Whitney rising to 14,494 feet (4,418 meters), making it the tallest point in…

Average elevation: 3,048 ft

Nashville-Davidson, features a diverse topography characterized by its position in the Nashville Basin and the Highland Rim. The terrain is predominantly hilly, with elevations ranging from approximately 385 feet at the Cumberland River to around 1,163 feet in areas like Radnor Lake State Natural Area. This…

Average elevation: 604 ft

New York City's topography is a fascinating blend of varied elevations and unique landscapes, reflecting its diverse geography across five boroughs. Situated at the confluence of the Hudson and East Rivers, the city primarily features low-lying terrain, with the average elevation hovering around sea level.…

Average elevation: 62 ft

Saint Petersburg features a predominantly flat topography characteristic of the Gulf Coast region. The city's elevation averages around 44 feet (approximately 13.4 meters) above sea level, with some areas dipping to about 15 feet (4.6 meters)​. This relatively low elevation contributes to the area's…

Average elevation: 13 ft

Michigan's topography is characterized by a diverse landscape that transitions from flat plains to rugged hills. The state comprises two peninsulas, with the Upper Peninsula showcasing more pronounced elevation changes, including its highest point, Mount Arvon, which rises to 1,979 feet (603 meters). In…

Average elevation: 850 ft

Texas showcases a diverse and expansive topography that spans approximately 268,000 square miles (694,117 Km²), making it the second-largest state in the United States. The landscape ranges from the arid deserts of West Texas, characterized by broad valleys and mesas, to the rolling hills of the Texas Hill…

Average elevation: 1,699 ft

Los Angeles is characterized by a diverse and dynamic topography. The city is predominantly situated in a basin bordered by mountain ranges, including the Santa Monica Mountains to the north and the San Gabriel Mountains to the east, with elevations reaching up to about 10,000 feet (3,048 meters) in certain…

Average elevation: 791 ft

Denver, situated at an elevation of 5,280 feet (1,609 meters), is renowned as the "Mile High City." It is located in the South Platte River Valley, just east of the Rocky Mountains' foothills. The city's topography features a gently sloping landscape characterized by rolling hills and wide valleys,…

Average elevation: 5,525 ft

Mexico's topography is characterized by a remarkable diversity, featuring rugged mountains, expansive plateaus, and lush coastal plains. The Sierra Madre Occidental and Sierra Madre Oriental mountain ranges run parallel to the country's western and eastern coasts, respectively, creating a central highland…

Average elevation: 1,352 ft

Pittsburgh, located in Allegheny County, Pennsylvania, is characterized by its distinct and varied topography, shaped by the confluence of the Allegheny, Monongahela, and Ohio rivers. The city itself is situated at an average elevation of approximately 764 feet (233 meters) above sea level, with the terrain…

Average elevation: 994 ft

Kansas City features a diverse topography characterized by rolling hills and valleys, with elevations ranging from about 794 to 997 feet above sea level. The landscape is shaped by the confluence of the Missouri and Kansas rivers, resulting in a mix of elevated areas and flat river plains. The region's average…

Average elevation: 909 ft

New Jersey's topography is characterized by a diverse landscape that ranges from coastal plains to rolling hills and rugged mountains. The state features a predominantly low elevation along its eastern coastline, where major cities like Newark and Jersey City are located. This coastal lowland, which includes…

Average elevation: 236 ft

Philadelphia, located at the confluence of the Delaware and Schuylkill Rivers, features a diverse topography characterized by its gentle slopes and valleys. The city lies on the Atlantic Seaboard Fall Line, transitioning from the flat Coastal Plain to the more rugged Piedmont region. This unique geographical…

Average elevation: 144 ft

Salt Lake City's topography is characterized by a striking contrast between its flat valley floor and the surrounding rugged mountains. The city is situated in the Salt Lake Valley, with an average elevation of approximately 4,237 feet above sea level, making it one of the higher major cities in the United…

Average elevation: 5,223 ft

Tennessee features a diverse and varied topography characterized by its distinct regions, which include the Appalachian Mountains, the Central Basin, and the Gulf Coastal Plain. The state’s highest point is Clingmans Dome, rising to about 6,643 feet (2,025 meters) above sea level, while the lowest point is…

Average elevation: 764 ft

Ohio's topography is characterized by a diverse landscape that ranges from the flat plains in the north to the rolling hills and rugged terrain in the southeast. The state can be divided into several distinct regions, including the Great Lakes Plains to the north, the Central Plains in the west, and the…

Average elevation: 912 ft

Portland features a striking and varied topography characterized by its location at the confluence of the Willamette and Columbia Rivers. The city lies within the fertile Willamette Valley, flanked by the snow-capped Cascade Mountains to the east, including the prominent Mount Hood, and the less elevated…

Average elevation: 253 ft

Average elevation: 863 ft

Duluth's topography is distinctive, defined by its hilly terrain and its proximity to Lake Superior. The city is perched on an incline rising sharply from the lake, with elevations ranging from lake level at about 600 feet to approximately 1,400 feet at the ridge tops. This steep gradient creates dramatic…

Average elevation: 938 ft

The year 1858 saw more than 1,000 steamboats service Saint Paul, making it a gateway for settlers to the Minnesota frontier or Dakota Territory. Geography was a primary reason the city became a transportation hub. The location was the last good point to land riverboats coming upriver due to the river valley's…

Average elevation: 879 ft

Pennsylvania's topography is characterized by its rich diversity, ranging from the rugged Appalachian Mountains in the south to the flatlands of the northern plateau. The state's elevation varies significantly, with the highest point being Mount Davis at approximately 3,213 feet (979 meters) and the lowest at…

Average elevation: 1,115 ft

Washington State's topography is characterized by dramatic contrasts, shaped primarily by the formidable Cascade Mountain Range that divides the state into distinct western and eastern regions. The western part is marked by rugged mountains, lush forests, and a plethora of lakes, resulting from glacial…

Average elevation: 2,612 ft

North Carolina features a diverse topography that can be divided into three distinct regions: the Coastal Plain, the Piedmont, and the Appalachian Mountains. The Coastal Plain, which occupies the eastern part of the state, is characterized by flat and gently sloping land, with elevations typically less than…

Average elevation: 535 ft

Indianapolis is within the Tipton Till Plain, a flat to gently sloping terrain underlain by glacial deposits known as till. The lowest point in the city is about 650 feet (198 m) above mean sea level, with the highest natural elevation at about 900 feet (274 m) above sea level. Few hills or short ridges, known…

Average elevation: 791 ft

Virginia's topography is characterized by a diverse landscape that transitions from the Atlantic Coastal Plain in the east to the mountainous regions in the west. The Coastal Plain features flat, low-lying areas that gradually rise to the Piedmont, known for its rolling hills and valleys. Further west, the…

Average elevation: 814 ft

Albuquerque features a striking topography characterized by its elevation and diverse geological formations. The city sits at an approximate elevation of 4,900 feet (1,500 meters) near the Rio Grande, rising dramatically to over 6,700 feet (2,000 meters) in the foothills of the nearby Sandia Mountains. These…

Average elevation: 5,535 ft

Aspen is a home rule municipality that is the county seat and the most populous municipality of Pitkin County, Colorado, United States. The city population was 7,004 at the 2020 United States Census. Aspen is in a remote area of the Rocky Mountains' Sawatch Range and Elk Mountains, along the Roaring Fork River…

Average elevation: 8,425 ft

El Paso is characterized by a diverse and striking topography shaped by its desert environment and mountainous landscapes. The city is situated at an average elevation of approximately 3,700 feet above sea level, surrounded by the rugged Franklin Mountains to the west, where peaks exceed 7,000 feet​. This…

Average elevation: 4,058 ft

Average elevation: 2,572 ft

Average elevation: 741 ft

Charleston is characterized by its relatively flat topography, with an average elevation of about 10 feet above sea level, making it prone to flooding during heavy rains and storms. The city is situated on a peninsula bordered by the Ashley River to the west and the Cooper River to the east, creating a natural…

Average elevation: 13 ft

Average elevation: 1,834 ft

Ukraine's topography is characterized by a striking contrast of features across its vast landscape. The country predominantly consists of fertile plains and steppes, especially in the central and southern regions, where elevations typically range from sea level to around 600 meters (1,969 feet) above sea…

Average elevation: 600 ft

Dallas features a predominantly flat terrain characterized by elevations generally ranging from 450 to 550 feet (137 to 168 meters) above sea level. The landscape is shaped significantly by the western edge of the Austin Chalk Formation, a limestone escarpment known as the White Rock Escarpment, which rises…

Average elevation: 525 ft

Minneapolis is characterized by a diverse and dynamic topography. The city sits at an average elevation of approximately 830 feet (253 meters) above sea level, but this varies significantly across its landscape. The terrain is predominantly flat, interspersed with rolling hills, and is marked by the presence…

Average elevation: 886 ft

Miami is characterized by its unique topography, which features a broad coastal plain lying between the expansive Everglades to the west and the tranquil waters of Biscayne Bay to the east. The average elevation across the city is approximately 16 feet (5 meters) above sea level, with some areas dipping…

Average elevation: 16 ft

Average elevation: 741 ft

In 1902, a line of the St. Louis-San Francisco Railway was being built through the area, and periodic watering stops were needed along the route for the steam locomotives. The current settlement of Lebanon was on the Preston Ridge, and was too high in elevation, so the watering stop was placed about 4 miles (6…

Average elevation: 659 ft

Colorado Springs boasts a diverse and striking topography characterized by its high elevation and mountainous terrain. Nestled at approximately 6,035 feet (1,839 meters) above sea level, the city is flanked by the majestic Pikes Peak, which rises dramatically to 14,115 feet (4,302 meters), forming part of the…

Average elevation: 7,388 ft

Branson features a diverse and picturesque topography characterized by rolling hills, deep valleys, and abundant water features. Nestled in the Ozark Mountains, the area has an elevation that typically ranges around 778 feet (237 meters) above sea level. The region is shaped by its proximity to several lakes,…

Average elevation: 902 ft

Utah's topography is characterized by a stunning variety of landscapes, reflecting its geological complexity and rich natural history. The state is primarily shaped by the Colorado Plateau and the Basin and Range province, resulting in a diverse terrain that includes rugged mountain ranges, deep canyons, and…

Average elevation: 6,155 ft

The San Francisco Bay Area is characterized by a diverse and dynamic topography shaped by geological processes over millions of years. This region features a combination of coastal plains, steep hills, and rugged mountains, all influenced by the tectonic activity associated with the nearby San Andreas Fault…

Average elevation: 371 ft

Europe's topography is characterized by a striking contrast between its rugged southern mountains and the expansive plains of the north. The continent is often described as a "peninsula of peninsulas," featuring major peninsulas like the Iberian, Italian, and Balkan, each with unique geological features. In…

Average elevation: 732 ft

Omaha features a varied topography characterized by rolling hills and valleys that rise gently from the Missouri River, which forms the city's eastern boundary. The landscape is primarily composed of prairie and hardwood forests, offering a mix of open spaces and wooded areas. Elevations within the city range…

Average elevation: 1,109 ft

San Jose, located in Santa Clara County, California, features a diverse topography characterized by a mix of low-lying plains and rolling hills. The city sits at an average elevation of approximately 82 feet (25 meters) above sea level, with the surrounding terrain including the foothills of the Santa Cruz…

Average elevation: 866 ft

The topography of the Bahamas is primarily flat and low-lying, characterized by limestone formations, sandy beaches, and a unique geological feature known as the Great Bahama Bank. Most of the islands have elevations that seldom rise above 30 feet (9 meters) above sea level, with the terrain generally ranging…

Average elevation: 30 ft

Asheville, located in Buncombe County, North Carolina, is characterized by a diverse and picturesque topography primarily shaped by its position within the Blue Ridge Mountains. The city itself sits at an elevation of approximately 2,200 feet, surrounded by peaks that rise significantly higher, such as Mount…

Average elevation: 2,385 ft

Alaska's topography is characterized by dramatic contrasts, featuring a diverse array of mountainous regions, vast plains, and intricate coastlines. The Alaska Range, home to Denali, rises to an elevation of 20,310 feet, making it the highest peak in North America. This mountain range exhibits significant…

Average elevation: 679 ft

Las Vegas is characterized by its distinctive topography, which features a mix of arid desert landscapes and mountainous terrain. The city itself sits at an elevation of approximately 2,030 feet (620 meters) above sea level, while the surrounding peaks reach heights exceeding 10,000 feet (3,000 meters),…

Average elevation: 2,480 ft

Massachusetts features a diverse and varied topography. The western part of the state is dominated by the Berkshire Hills and Taconic Mountains, including Mount Greylock, the highest point at 3,491 feet (1,064 meters). The central region is marked by rolling hills, part of the broader New England Upland, which…

Average elevation: 420 ft

Idaho's topography is characterized by its remarkable diversity, featuring vast mountain ranges, deep river canyons, and extensive plains. The state is home to over 75 mountain ranges, including the prominent Rocky Mountains and the majestic Sawtooth Range, with peaks like Borah Peak rising to 12,662 feet…

Average elevation: 5,030 ft

Average elevation: 187 ft

Maui County's topography is characterized by a dramatic blend of volcanic mountains, rolling hills, and stunning coastal regions, creating a diverse landscape that contributes to its unique beauty. The island's centerpiece is Haleakalā, a massive shield volcano rising to an elevation of 10,023 feet, which is…

Average elevation: 761 ft

Rio Rancho is in an arid climate due to its location in the rain shadow of the Sandia Mountains to the east and the Continental Divide to the west. Rio Rancho receives 8.90 inches of precipitation annually on average. The western portion of the city receives slightly more rain and snowfall due to its higher…

Average elevation: 5,486 ft

Lake Tahoe is renowned for its dramatic topography, characterized by rugged mountain ranges and deep, crystal-clear waters. Nestled in the Sierra Nevada, the lake itself lies at an elevation of approximately 6,225 feet (1,897 meters) and spans about 22 miles (35 kilometers) in length and 12 miles (19…

Average elevation: 6,814 ft

The elevation of the City ranges from sea level at the Thames to 21.6 metres (71 ft) at the junction of High Holborn and Chancery Lane. Two small but notable hills are within the historic core, Ludgate Hill to the west and Cornhill to the east. Between them ran the Walbrook, one of the many "lost" rivers or…

Average elevation: 138 ft

Average elevation: 26 ft

Lincoln is situated on the Great Plains, characterized by gently rolling terrain that rises from about 1,100 feet above sea level to approximately 1,400 feet in the surrounding areas. The city is primarily composed of prairies and grasslands, interspersed with wooded areas and small hills. The landscape…

Average elevation: 1,243 ft

Average elevation: 1,004 ft

Bali features a diverse topography shaped by a volcanic origin, which significantly influences its landscapes and climate. The island is dominated by a central mountain range that runs from west to east, with Mount Agung, reaching an elevation of approximately 10,308 feet, standing as the highest peak and a…

Average elevation: 400 ft

Quezon City is characterized by a diverse topography that features a mix of flatlands, rolling hills, and elevated areas, particularly in the eastern and northern parts of the city. The elevation generally ranges from about 25 to 300 feet above sea level, with higher elevations found in areas like the La Mesa…

Average elevation: 187 ft

Bend is characterized by its distinctive topography, situated at an elevation of approximately 3,623 feet (1,105 meters) above sea level. The city lies within the high desert region of Central Oregon, bordered by the Cascade Mountains to the west, which provide a dramatic backdrop with peaks like the Three…

Average elevation: 3,678 ft

The Cheyenne Regional Airport was opened in 1920, initially serving as a stop for airmail. It soon developed into a civil-military airport, serving DC-3s and various military craft. During World War II, hundreds of B-17s, B-24s, and PBYs were outfitted and upgraded at the airfield. Today, it serves a number of…

Average elevation: 6,138 ft

Fort Myers, located in Lee County, Florida, features a predominantly flat topography characterized by low elevations, averaging around 10 to 16 feet (approximately 3 to 5 meters) above sea level. The area is primarily composed of coastal plains, which contribute to its lush, subtropical vegetation and…

Average elevation: 16 ft

Scottsdale features a diverse topography shaped by its location within the Sonoran Desert and the foothills of the McDowell Mountains. The city sits at an average elevation of about 1,827 feet (558 meters), with a range that spans from approximately 1,052 feet (321 meters) at its lowest points to 4,819 feet…

Average elevation: 1,814 ft

Average elevation: 285 ft

At the 2020 United States Census, the town had a total area of 6.047 square miles (15.661 km2), all of it land. The ski area has a total area of 2,880 acres (11.7 km2) of land. The elevation of Breckenridge is 9,600 feet (2,900 m) above sea level.

Average elevation: 10,079 ft

Chattanooga showcases a diverse and striking topography that is defined by its position within the Appalachian region. Nestled between the rugged Ridge-and-Valley Appalachians and the Cumberland Plateau, the city is framed by dramatic hills and valleys, creating a visually compelling landscape. The Tennessee…

Average elevation: 1,086 ft

Birmingham has a varied and rugged topography shaped by the nearby Appalachian foothills. The city sits at an average elevation of around 600 feet (183 meters), though it is surrounded by more dramatic terrain that rises higher to 1,000 feet (305 meters) in some areas, particularly to the south and east​.…

Average elevation: 633 ft

Puerto Rico features a diverse topography characterized by a mountainous interior, coastal plains, and stunning beaches. The island's central region is dominated by the Cordillera Central mountain range, which includes the highest peak, Cerro de Punta, rising to 4,390 feet (1,338 meters). These mountains…

Average elevation: 213 ft

The Philippines is an archipelago of approximately 7,641 islands, with a total land area of about 300,000 square kilometers. The terrain is predominantly mountainous, with narrow coastal plains and valleys. The highest peak is Mount Apo on Mindanao, reaching 2,954 meters (9,692 feet) above sea level. Other…

Average elevation: 108 ft

Maryland's topography is notably diverse, characterized by distinct geographic regions that showcase a variety of landscapes. The state can be divided into three major landforms: the Coastal Plain, the Piedmont, and the Appalachian region, which includes the Blue Ridge and Allegheny Mountains. The Coastal…

Average elevation: 489 ft

Alabama's topography is characterized by a diverse and intricate landscape that varies significantly across its regions. In the northern and northeastern parts, the terrain features the hilly and mountainous Appalachian Highlands, including the notable Cheaha Mountain, which rises to an elevation of 2,407 feet…

Average elevation: 446 ft

Sussex County, located in the southern part of Delaware, features a predominantly flat terrain characteristic of the Atlantic Coastal Plain. The county's elevation ranges from sea level along the Atlantic Ocean and Delaware Bay to approximately 79 feet (24 meters) above sea level at its highest points. This…

Average elevation: 30 ft

Kauai, known as the "Garden Isle," features a remarkably diverse topography shaped by its volcanic origins and extensive erosion over millions of years. The island is characterized by a central mountainous region, dominated by the towering 5,148-foot Mount Waiʻaleʻale, one of the wettest places on Earth, and…

Average elevation: 709 ft

At the 2020 United States Census, the town had a total area of 535 acres (2.166 km2), all of it land. Crested Butte lies at an elevation of 8,885 feet (2,708 m) above sea level.

Average elevation: 9,180 ft

According to the United States Census Bureau, the city has a total area of 17.83 square miles (46.18 km2), of which 17.818 square miles (46.15 km2) are land and 0.012 square miles (0.03 km2) are water. The elevation varies from 14 to 500 feet (150 m) above sea level.

Average elevation: 190 ft

Average elevation: 121 ft

The foothills of the Ozark Mountains begin in southwestern St. Louis County, with most of the rest of the county being a fairly level plateau. This western part of the county is the least developed, due to rugged topography. Bluffs along the Mississippi in the south of the county rise about 200–300 feet…

Average elevation: 545 ft

Average elevation: 226 ft

North America's topography is characterized by its diverse and dramatic landscapes, stretching from the towering Rocky Mountains in the west to the expansive Great Plains in the central region, and the rugged Appalachian Mountains in the east. The Rocky Mountains, which include peaks exceeding 20,000 feet…

Average elevation: 965 ft

Average elevation: 525 ft

Average elevation: 52 ft

Bellingham is characterized by a diverse and striking topography that combines coastal and mountainous landscapes. The city lies along the eastern shore of Bellingham Bay, where the waters of the Puget Sound meet the foothills of the Cascade Range. Rising abruptly from the shoreline, the surrounding hills and…

Average elevation: 292 ft

Yellowstone National Park's topography is characterized by a remarkable diversity of geological features shaped by its unique volcanic history and tectonic activity. The park is predominantly situated on the Yellowstone Plateau, which is part of the larger Rocky Mountain range, with elevations ranging from…

Average elevation: 8,038 ft

Tehran, located in the northern part of Iran, is set against the backdrop of the Alborz mountain range, which towers prominently to the north. The city itself is perched at approximately 3,750 feet (1,143 meters) above sea level, providing a striking contrast between its urban landscape and the rugged terrain…

Average elevation: 5,049 ft

Israel's topography is strikingly diverse, encompassing a variety of landscapes within its relatively small area of approximately 8,522 square miles (22,072 Km²). The coastal plain stretches along the Mediterranean Sea, characterized by sandy shores and fertile land that supports extensive agriculture,…

Average elevation: 1,345 ft

China's topography is characterized by dramatic contrasts, presenting a varied landscape that can be understood as a three-step staircase ascending from east to west. The eastern lowlands feature vast, fertile plains, such as the North China Plain and the Middle-Lower Yangtze Plain, which are vital…

Average elevation: 2,956 ft