Travelers are voting Staircase Campground, Lake Cushman Rv Resort and The Waterfront At Potlatch Rv Park as the best of 8 campgrounds near Union. There are 10 campgrounds near Tacoma a city just 30 km from Union and 8 campgrounds near Vashon Island which is 31 km distant. The most popular of these are Manchester State Park Campground near Tacoma and Eagle Tree Rv Park in Vashon Island. You can find 238 campgrounds in Washington and 6216 campgrounds in the country of United States. Our members favorite in Washington is Manchester State Park Campground and Logging Creek Campground is the top pick in United States. Want more? Check out our map of campgrounds near Union.