Masons Mill Park Pavilion Reservations may be made by residents beginning Tuesday, January 2; non-residents may make reservations beginning on March 1. Pavilions are available for rentals from April 1 to October 14 annually. Rental times include mornings (9A-1p), afternoons (2P-7P), or all day (9A-7P). Fees vary pending your times selected. For information please call us at 215-659-3100 x 1039.