Grand Union Hotel


your special occasion is not just
an event, it’s an experience

The Grand Union Hotel is the perfect venue for your Montana group event. Interested to book a venue for your own special occasion? Whether you’re planning a private celebration, a one-of-a-kind wedding, family reunion, a casual work outing or a corporate function or meeting, the Grand Union Hotel team will make it extraordinary. We can provide you with a unique and unforgettable experience.

just bring the crowd and
we’ll take care of the rest


Come celebrate an anniversary, a birthday, a family gathering, a graduation or an achievement at the Grand Union Hotel and our Union Grille restaurant! Experience the riverside setting and a historic landmark with grand accommodations, locally sourced cuisine; riverside alfresco dining, and adventures like exploring nearby museums, river canoeing, hiking, hunting and fishing. Be sure to check out our seasonal events and activities as well.

we’re here to help you
create your special day, your way.


The Grand Union Hotel provides the ideal setting for your intimate wedding or reception. The hotel can host wedding ceremonies for up to 50 people in the Grand Lobby or Lewis and Clark Room. Receptions for up to 100 people can be accommodated in the Lewis and Clark room and Union Grille Restaurant. The riverside patio is also available seasonally.

a unique destination that fosters creativity and collaboration


The Grand Union Hotel provides the ideal space for small corporate meetings and conferences. The hotel can host meetings up to 50 people and receptions up to 100. Depending upon the size of your group the facilities can be arranged in a variety of settings to accommodate your requirements.

The Grand Union Hotel combines hallmark corporate meeting and retreat ideas like luxury accommodations, all-inclusive amenities, dining and customized group activities into one unparalleled venue.