Bronco Billy s Ranch Grill & Saloon is a restaurant in Sisters, Ore. The menu offered includes buffalo rings, rib sampler, dos tacos, roasted garlic Caesar salad, spinach salad, tostada grande, vegetarian saut and variety of soups. It also offers a private dining room, which can host private parties of up to 100 guests. The restaurant provides a covered deck in the summer time for various occasions, such as large parties, weddings, receptions and rehearsal dinners.