Big Bull Bar and Grill Share: Bar, Brewery, CasinoRestaurantsCatering Big Bull Bar and Grill Request Info 6477 Highway 12 East Winston, MT 59647 (406) 227-3522 About Map About Big Bull Bar & Grill is a great place for food and friends! We are open 7 days a week and are a favorite of locals, hunters and travelers alike! Come on in and say howdy! What's Nearby? Distance: 5 10 15 20 25 50 mi.