National Parks in WA National Parks operating within WA. National Parks in WA Ebey's Landing Natl Hist Reserve Coupeville, Island County Fort Vancouver Natl Historic Site Vancouver, Clark County Lake Chelan Natl Recreation Area Sedro-Woolley, Whatcom County Lake Roosevelt Natl Rcrtn Area Coulee Dam, Okanogan County Mount Rainer National Park Ashford, Pierce County North Cascades National Park Sedro-Woolley, Whatcom County Olympic National Park Port Angeles, Clallam County Ross Lake Natl Recreational Area Sedro-Woolley, Whatcom County Whitman Mission Natl Hist Site Walla Walla, Walla Walla County
