Grass Valley Reservoir   Be the first to submit input for Grass Valley Reservoir. If you have info on Grass Valley Reservoir, Garfield County, Colorado please submit it here to improve this web site.          These outdoors activities are available near Grass Valley Reservoir.   Lakes Near Grass Valley Reservoir: Meadow Creek Lake, Garfield County, 14 miles away Adams Lake, Garfield County, 19 miles away Elk Lakes, Garfield County, 19 miles away   Public Lands Near Grass Valley Reservoir: Harvey Gap State Park, Colorado, 1 miles away Rifle Falls State Park, Colorado, 5 miles away Rifle Gap State Park, Colorado, 8 miles away   Camp Grounds Near Grass Valley Reservoir: Viking RV Park and Campground, Silt, 3 miles away Rifle Falls, Rifle, 5 miles away New Castle/Glenwood Springs KOA, New Castle, 7 miles away Little Box Canyon Campground, Garfield County, 9 miles away   Hotels Near Grass Valley Reservoir: Holiday Inn Express Hotel & Suites SILT-RIFLE, Silt, 3 miles away La Quinta Inn & Suites Rifle, Rifle, 9 miles away Hampton Inn Suites Rifle, Rifle, 9 miles away Americas Best Value Inn, Rifle, 9 miles away RUSTY CANNON MOTEL, Rifle, 9 miles away   Hiking Trails Near Grass Valley Reservoir: Mansfield Ditch Trail, Garfield County, 6 miles away Hay Flat Trail, Rio Blanco County, 19 miles away   Ski Areas Near Grass Valley Reservoir: Sunlight Mountain, Colorado, 25 miles away       2010 foot drop, 4 lifts, 67 runs Powderhorn, Colorado, 44 miles away       1650 foot drop, 4 lifts, 44 runs Buttermilk, Colorado, 59 miles away       2030 foot drop, 7 lifts, 41 runs   Whitewater Near Grass Valley Reservoir: White River - South Fork, Rio BlancoCounty, 18 miles away       Class III-IV - 10 miles long (National Forest Campground to North Fork) White River, Rio BlancoCounty, 20 miles away       Class I-II - 80 miles long (North-South Fork confluence to Green River)