Hartley Reservoir   Be the first to submit input for Hartley Reservoir. If you have info on Hartley Reservoir, Adams County, Colorado please submit it here to improve this web site.          These outdoors activities are available near Hartley Reservoir.   Lakes Near Hartley Reservoir: McKay Lake, Adams County, 3 miles away Badding Reservoir, Adams County, 4 miles away Rocky Mountain Lake, Denver County, 9 miles away Sloans Lake, Denver County, 12 miles away Harper Lake, Boulder County, 14 miles away   Public Lands Near Hartley Reservoir: Barbour Ponds State Park, Colorado, 13 miles away Barr Lake State Park, Colorado, 14 miles away Cherry Creek State Park, Colorado, 18 miles away Rocky Mountain National Park, Estes Park - CO, 44 miles away Florissant Fossil Beds National Monument, Florissant - CO, 59 miles away   Marinas On or Near Hartley Reservoir: Mike's Killer Fish, Denver, 9 miles away Lake Powell Resorts & Marina, Denver, 11 miles away Chatfield Marina, Littleton, 17 miles away   Camp Grounds Near Hartley Reservoir: Delux RV Park, Denver, 9 miles away   Hotels Near Hartley Reservoir: Hampton Inn Denver Thornton, Thornton, 2 miles away Sleep Inn Thornton, Thornton, 2 miles away Ramada Plaza Denver North, Northglenn, 2 miles away DT by Hilton Denver Thornton, Thornton, 2 miles away La Quinta Inn Denver Northglenn, Westminster, 2 miles away   Ski Areas Near Hartley Reservoir: Eldora, Colorado, 43 miles away       1600 foot drop, 12 lifts, 53 runs Winter Park, Colorado, 56 miles away       3060 foot drop, 26 lifts, 145 runs Arapahoe Basin, Colorado, 65 miles away       2270 foot drop, 7 lifts, 105 runs   Whitewater Near Hartley Reservoir: Whitewater Outfitter - AAA Inflatables Equipment & Repair, DenverCounty, 9 miles away       Whitewater outfitter South Platte River, Adams / WeldCounty, 10 miles away       Class I-II - 7 miles long (Brighton City Park to Fort Lupton) South Platte River, -blank-County, 13 miles away       Class III - 0.1 miles long (Union Chutes)   Golf Courses Near Hartley Reservoir: Heritage Todd Creek Golf Club, Thornton, 5 miles away Broadlands Golf Course, Broomfield, 6 miles away