Sony Reservoir   Be the first to submit input for Sony Reservoir. If you have info on Sony Reservoir, Johnson County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Sony Reservoir.   Hotels Near Sony Reservoir: Holiday Inn Express Hotel & Suites BUFFALO, Buffalo, 21 miles away Hampton Inn and Suites Buffalo, WY, Buffalo, 21 miles away Comfort Inn Buffalo, Buffalo, 21 miles away Super 8 Buffalo, Buffalo, 22 miles away Wyo Motel, Buffalo, 22 miles away