Grand Union Hotel Meeting Rooms & Events Meeting Capacity: 1 meeting rooms holding 100 peopleMeeting Space: 650 sq ft Grand Union Hotel Business Services Meeting Room Internet Access (Wireless) 1 Grand Union Square PO Box 1119Fort Benton, MT 59442View Large Map Phone: +1 406-622-1882Fax: +1 406-622-5985Toll Free: +888-838-1882 Hotel E-mailHotel Website Commission Rooms Rates - 26 $108-$135 (USD) Hoteliers! Is your information accurate? Update Here