 Beaver Lake, located mostly in Benton County with reaches extending into Washington and Madison counties, is the sixth-largest lake in Arkansas, and a source of recreation, tourism, and drinking water for the Northwest Arkansas region.Washington County also contains Lake Wedington, located in the Ozark National Forest west of Fayetteville on Highway 16.Washington County contains three discontinuous segments of the Ozark National Forest, two state parks, two Wildlife Management Areas (WMAs) under Arkansas Game and Fish Commission jurisdiction, the Garrett Hollow Natural Area, and dozens of city parks.