Margaret Reservoir   Be the first to submit input for Margaret Reservoir. If you have info on Margaret Reservoir, Johnson County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Margaret Reservoir.   Hotels Near Margaret Reservoir: Holiday Inn Express Hotel & Suites BUFFALO, Buffalo, 32 miles away Hampton Inn and Suites Buffalo, WY, Buffalo, 32 miles away Comfort Inn Buffalo, Buffalo, 33 miles away Super 8 Buffalo, Buffalo, 33 miles away Wyo Motel, Buffalo, 33 miles away