Mount Rainier National Park, a 369-sq.-mile Washington state reserve southeast of Seattle, surrounds glacier-capped, 14,410-ft. Mount Rainier. Atop 6,400-ft.-high Sunrise, the highest point in the park reachable by car, visitors can admire Rainier and other nearby volcanoes, including Mount Adams. The park’s 5,400-ft.-high Paradise overlook offers mountain views, summertime wildflower meadows and hiking trailheads.