900 S Central AveSidney, MT 59270 Phone: +1 406-433-4520Fax: +1 406-433-8368 Hotel E-mailHotel Website Commission Rooms Rates - 41 $45-$45 (USD) Hoteliers! Is your information accurate? Update Here Lone Tree Inn Location & Neighborhood Highway 16 south in Sidney. 275 MI from Billings, Montana