Ionia Reservoir   Be the first to submit input for Ionia Reservoir. If you have info on Ionia Reservoir, Converse County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Ionia Reservoir.   Public Lands Near Ionia Reservoir: Edness K. Wilkins State Park, Wyoming, 25 miles away   Camp Grounds Near Ionia Reservoir: Deer Creek RV Park, Glenrock, 6 miles away   Hotels Near Ionia Reservoir: Sleep Inn & Suites, Evansville, 28 miles away Holiday Inn CASPER EAST - MCMURRY PARK, Casper, 28 miles away Mainstay Suites Casper, Casper, 28 miles away Clarion Inn Conference Center, Douglas, 29 miles away Super 8 Douglas, Douglas, 29 miles away   Whitewater Near Ionia Reservoir: Deer Creek, ConverseCounty, 15 miles away       Class IV-V+ - 6 miles long (Lower Canyon)