Washougal River State Park Our Work / Water Access / Washougal River State Park Category Overview Washington is famous for its gorgeous and abundant waterways, from the Salish Sea to the Nisqually River, but many communities lack open public beaches and waterfronts where everyone can enjoy picnicking, swimming, paddling, boating, and angling.

There is no mention of nude bathing and none can be substantiated other than the photo. (source)