Benton County topographic maps

Native Americans populated the area around modern-day Kennewick for millennia before being discovered and settled by European descendants. These inhabitants consisted of people from the Umatilla, Wanapum, Nez Perce, and Yakama tribes. Kennewick's low elevation helped to moderate winter temperatures. On top of…

Average elevation: 502 ft

Average elevation: 404 ft

Average elevation: 807 ft

Average elevation: 758 ft

Average elevation: 325 ft

Average elevation: 735 ft

Average elevation: 344 ft

Average elevation: 643 ft

Average elevation: 764 ft

Average elevation: 377 ft

Average elevation: 410 ft

The original people of the region were the Chemnapum Indians (closely related to the Wanapum tribe), living near the mouth of the Yakima River. Lewis and Clark passed through the area in 1805, and an expedition of the Army Corps of Topographical Engineers headed by Robert E Johnson mapped the Yakima Valley in…

Average elevation: 479 ft

Average elevation: 623 ft

Average elevation: 735 ft

Average elevation: 965 ft

According to the United States Census Bureau, the city has a total area of 39.11 square miles (101.29 km2), of which, 35.72 square miles (92.51 km2) is land and 3.39 square miles (8.78 km2) is water. Elevation at the airport is 120 m (394 ft).

Average elevation: 538 ft

Average elevation: 919 ft

Average elevation: 512 ft