Rainier Valley is one of Seattle's most culturally diverse and rapidly changing neighborhoods, stretching along Rainier Ave S from the Central District south to Rainier Beach on the shores of Lake Washington. The neighborhood has a strong community character rooted in its many immigrant and refugee communities, with excellent East African, Vietnamese, Mexican, and Filipino restaurants and shops along the main corridor. The Link Light Rail runs through the neighborhood, connecting it directly to downtown Seattle and beyond. Seward Park at the southern end of Rainier Valley is one of Seattle's most beloved parks and has excellent public restroom facilities near the main parking area and the park loop road. The park occupies a forested peninsula jutting into Lake Washington and has a 2.4-mile loop trail around its perimeter, old-growth forest, an art studio, an amphitheater, and swimming beaches. The restrooms are well-maintained and open during park hours. Rainier Beach Playfield at Rainier Ave S and S Henderson Street has free public restroom facilities open during park hours. The playfield has sports courts, a skate park, and is a community hub for the Rainier Beach neighborhood. The adjacent Rainier Beach Community Center also has restroom facilities available during operating hours. Columbia City, in the middle of Rainier Valley, is one of the neighborhood's most vibrant commercial districts with restaurants, cafes, a farmers market, and a cinema along Rainier Ave S and S Ferdinand Street. Several coffee shops and restaurants along this stretch have customer restrooms available, and the Columbia City Light Rail Station area has been developed with public amenities. The Rainier Ave S corridor has several McDonald's locations that allow restroom use, which serve as reliable backup options along this busy arterial road. The corridor is heavily served by Metro bus routes including the RapidRide Route 7, one of the busiest bus routes in the city. Rainier Valley is well connected by the Link Light Rail with stations at Columbia City, Othello, and Rainier Beach, as well as extensive bus service along Rainier Ave S and MLK Jr Way S.