Swim beneath a waterfall (Lifeguard on duty): http://www.nysparks.com/parks/135/details.aspx
At Robert Treman State Park (30 minutes away from Catharine Cottages) you can swim at the bottom of the waterfall.
Left on Rt 14 (1/3 mile) to Havanna Glen Rd.
Right on Havanna Glen Rd (1 mile) to end at Rt 224.
Right on Rt 224 (6 miles) to Rt. 13.
Left on Rt 13 to Rt 327.
Left on Rt 327 to Robert Treman State Park.