Forsgreen Reservoir   Be the first to submit input for Forsgreen Reservoir. If you have info on Forsgreen Reservoir, Powder River County, Montana please submit it here to improve this web site.          These outdoors activities are available near Forsgreen Reservoir.   Public Lands Near Forsgreen Reservoir: Devils Tower National Monument, Devils Tower - WY, 50 miles away   Hotels Near Forsgreen Reservoir: Howard Johnson Inn Gillette, Gillette, 48 miles away Americas Best Value Inn, Gillette, 48 miles away Econo Lodge Gillette, Gillette, 48 miles away Best Western Tower West Lodge, Gillette, 49 miles away Settle Inn & Suites Gillette N, Gillette, 49 miles away