Jack Horner Reservoir   Be the first to submit input for Jack Horner Reservoir. If you have info on Jack Horner Reservoir, Big Horn County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Jack Horner Reservoir.   Public Lands Near Jack Horner Reservoir: Chief Plenty Coups State Park, Montana, 37 miles away Bighorn Canyon National Recreation Area, Fort Smith - MT, 52 miles away   Campgrounds Near Jack Horner Reservoir: Camp Big Horn RV Park, Lovell, 8 miles away Empire Freeride, Powell, 17 miles away   Hotels Near Jack Horner Reservoir: Western Motel, Lovell, 8 miles away Americas Best Value Inn, Powell, 22 miles away Super 8 Powell, Powell, 23 miles away Budget Host Wheels Motel, Greybull, 28 miles away Budget Host Inn Cody, Cody, 44 miles away