Urban Trails: Vancouvercovers all of Clark County (population approximately 500,000) from the Columbia River to the trails in the Yacolt Burn State Forest, as well as the Longview-Kelso and Kalama areas in neighboring Cowlitz County. Beyond the trails in Vancouver itself, it features hikes in Battle Ground, Ridgefield, La Center, Camas, and Washougal. Highlights include Lewis and Clark Expedition sites, American Indian sites, Fort Vancouver, and the city's historic downtown.