Arnold Reservoir   Be the first to submit input for Arnold Reservoir. If you have info on Arnold Reservoir, Hot Springs County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Arnold Reservoir.   Public Lands Near Arnold Reservoir: Hot Springs State Park, Wyoming, 30 miles away Boysen State Park, Wyoming, 39 miles away   Hotels Near Arnold Reservoir: Comfort Inn Worland, Worland, 26 miles away Super 8 Worland, Worland, 26 miles away Days Inn Worland, Worland, 27 miles away Days Inn Thermopolis, Thermopolis, 36 miles away BEST WESTERN PLUS Plaza Hotel, Thermopolis, 36 miles away