Riverbank State Park is a 28-acre (11 ha) park built on the top of a sewage treatment facility on the Hudson River, in the New York City borough of Manhattan. The park includes an Olympic-size swimming pool (home to the Riverbank Redtails swim team), a covered skating rink for roller skating in the summer and ice-skating in the winter, an 800-seat cultural theater, a 2,500-seat athletic complex with fitness room, and a 150-seat restaurant. Bicycling is strictly forbidden.