One of the oldest brick buildings and the oldest operating hotel in the State of Montana. The Grand Union Hotel was completely restored in 1999, being sensitive to the historical elements of 1882, while providing guests with the comforts of today. Upon opening in 1882 the Grand Union Hotel was reputed to be the finest hotel between Chicago and Seattle. Listed on the National Registry of Historic Places, the Grand Union is proud to continue its tradition of providing the finest lodging and dining experience to be foun ...