Groner Reservoir   Be the first to submit input for Groner Reservoir. If you have info on Groner Reservoir, Washington County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Groner Reservoir.   Public Lands Near Groner Reservoir: Cascade State Park, Idaho, 31 miles away Eagle Island State Park, Idaho, 36 miles away Ontario State Park, Oregon, 37 miles away   Hotels Near Groner Reservoir: Hartland Inn, New Meadows, 32 miles away Ashley Inn, Cascade, 32 miles away Dutch Oven Bed & Breakfast, Cascade, 32 miles away Americas Best Value Inn Ontario, Ontario, 36 miles away BEST WESTERN PLUS Inn & Suites, Ontario, 36 miles away   Ski Areas Near Groner Reservoir: Tamarack, Idaho, 29 miles away       2800 foot drop, 8 lifts, 42 runs Brundage Mountain, Idaho, 38 miles away       1800 foot drop, 5 lifts, 46 runs Bogus Basin, Idaho, 42 miles away       1800 foot drop, 7 lifts, 52 runs