Lake Mason   Be the first to submit input for Lake Mason. If you have info on Lake Mason, Musselshell County, Montana please submit it here to improve this web site.          These outdoors activities are available near Lake Mason.   Public Lands Near Lake Mason: Lake Elmo State Park, Montana, 35 miles away   Camp Grounds Near Lake Mason: Ideal Motel and Trailer Court, Roundup, 9 miles away   Hotels Near Lake Mason: Rodeway Inn Billings, Billings, 37 miles away Hilltop Inn by Riversage, Billings, 37 miles away Rimview Inn, Billings, 37 miles away Boothill Inn and Suites, Billings, 37 miles away Riversage Billings Inn, Billings, 37 miles away   Ski Areas Near Lake Mason: Red Lodge Mountain, Montana, 80 miles away       2400 foot drop, 8 lifts, 70 runs