Porter County lies on the northern edge of Indiana; its north border is formed by Lake Michigan and its south border is formed by the westward-flowing Kankakee River Its once-tree-covered low rolling hills have been cleared and devoted to agriculture; the only exceptions in Porter County are the drainages carved into the terrain, which are brush-filled. The East Arm Little Calumet River flows westward through the upper portion of Porter County. The highest point, at 870 feet (270 m), is a small hill on the county's east border, 2.75 miles (4.4 km) NW of Westville. The lowest point, at approximately 585 feet (178 m), is along the Lake Michigan shoreline (exact elevation varies due to variation in lake level). According to the 2010 census, the county has an area of 521.78 square miles (1,351.4 km2), of which 418.15 square miles (1,083.0 km2) (or 80.14%) is land and 103.63 square miles (268.4 km2) (or 19.9%) is water, most of it in Lake Michigan.

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About this map

Name: Porter County topographic map, elevation, terrain.

Location: Porter County, Indiana, United States (41.21966 -87.22293 41.76137 -86.92932)

Average elevation: 679 ft

Minimum elevation: 568 ft

Maximum elevation: 951 ft

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