Gem Lake   Be the first to submit input for Gem Lake. If you have info on Gem Lake, Dutchess County, New York please submit it here to improve this web site.          These outdoors activities are available near Gem Lake.   Lakes Near Gem Lake: Canopus Lake, Putnam County, 4 miles away Ballard Lake, Dutchess County, 6 miles away Dixon Lake, Putnam County, 7 miles away Oscawana Lake, Putnam County, 7 miles away Secor Lake, Putnam County, 7 miles away   Public Lands Near Gem Lake: Clarence Fahnestock State Park, New York, 2 miles away James Baird State Park, New York, 10 miles away Hudson Highlands State Park, New York, 11 miles away Gateway National Recreation Area, Brooklyn - NY, 51 miles away   Marinas On or Near Gem Lake: Mahopac Marine Corporation, Mahopac, 8 miles away Mac Donald Marine, Mahopac, 8 miles away Marina at Cranston's Dock, Highland Falls, 14 miles away Storm King Marine - Used Boats - New Boats, New Windsor, 16 miles away Hudson Valley Marine, Verplanck, 18 miles away   Camp Grounds Near Gem Lake: Sylvan Lake Beach Park, Hopewell Junction, 6 miles away Clarence Fahnestock State Park, Carmel, 9 miles away   Hotels Near Gem Lake: Inn at Arbor Ridge and Cnf Ctr, Hopewell Junction, 2 miles away Le Chambord, Hopewell Junction, 3 miles away Ramada Fishkill, Fishkill, 7 miles away Days Inn Fishkill, Fishkill, 7 miles away Hudson Hotel and Conference Center, Fishkill, 7 miles away   Hiking Trails Near Gem Lake: Stilwell Lake Trail, Orange County, 19 miles away   Ski Areas Near Gem Lake: Thunder Ridge, New York, 15 miles away       500 foot drop, 4 lifts, 30 runs   Whitewater Near Gem Lake: Wappinger Creek, DutchessCounty, 9 miles away       Class I-III - 8 miles long (Red Oak Mills to New Hamburg) Fish Kill River, DutchessCounty, 11 miles away       Class II-IV - 0.25 miles long (Beacon) Penlolopen Brook, OrangeCounty, 17 miles away       Class IV(V+) - 1 miles long (Queensboro Lake to a mile above 9W)   Golf Courses Near Gem Lake: Branton Woods Golf Club, Hopewell Junction, 4 miles away Beekman Country Club Golf Course, Hopewell Junction, 4 miles away