Grand Union Hotel


Unforgettable events
lasting memories

Cinco de Mayo May 3-5. 2024

Culinary Pop Up

Join us for another restaurant pop-up in the Union Grille! We’re celebrating Cinco de Mayo with a curated menu filled with mouth-watering cuisine. As always, we’ll have specialty drinks to accompany, and desserts to round out the night. You won’t want to miss this delicious line-up! Give us a call for reservations now at 406.622.1882.

May 12, 2024

Mother’s Day

Treat Mom to the day out she deserves with a Grand Experience.

Enjoy a meal in the Union Grille.

Serving a 3 course Sunday dinner from 11:00 to 4:00

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May 18, 2024

Spring Beer Tasting

This annual spring event pairs our chef’s delectable fare in a 5-course dinner with a variety of the finest Microbrews from Triple Dog Brewery in Havre.




Fall Wine Tasting

This annual event in the fall pairs our chef’s delectable game fare with a variety of exquisite wines.

October 31, 2024


Take comfort from ghoulish creatures and freakish things in the Grand Union Hotel and Union Grille.

Fall 2024

Fall Beer Tasting

This annual Fall event pairs our chef’s delectable fare with a variety of the finest Montana Microbrews.

November 28, 2024


Bring your family together and enjoy traditional Thanksgiving fare in a warm and inviting setting. We will make you feel at home.


December 7, 2024

Fort Benton Winter Celebration

December 2024

Brunch with Santa

Brunch is served from 9:00 am to 2:00 pm.  Santa will be here at a specific time frame which is yet to be determined.

December 2024

Gingerbread House

Join the Grand Union for our second annual Gingerbread House contest! Bring your already finished house to the hotel 10:00 am – 12:00 noon, we’ll set them up! Then, the community is welcome to come view & vote (1:00 – 4:00 pm) for their favorites. We’ll be serving complimentary cocoa and cookies! We have child and adult categories…all are welcome to participate! We’ll be giving out prizes for your creativity…even if you’re not a baker, please stop in to view & vote. Our only requirement is that all entries must be made of edible components. We look forward to hosting this fun community event!


December 2024

Holiday Brunch

Our Holiday Brunches are a great way to celebrate the season in style and are an annual traditional outing for many of our guests. Enjoy a special menu and offerings to help make the day more special. Call to make your reservation now! We hope you’ll join us right before Christmas for this always enjoyable event.

December 31, 2024

New Year’s Eve

Come ring in the New Year!  Dinner will be available.  When booking online click on Add to Stay after choosing your room.

This Grand Event books quickly so make your plans early enough to stay in one of our luxurious rooms. Start your year off in Grand Style with the Historic Grand Union!



Valentine’s Day

Celebrate your love with the Grand Union! We’ll have a special menu for 2 in the Union Grille…drink specials and more! Book a stay with our package deal…enjoy a curated Valentine’s Day themed gift basket upon arrival. For more information, click on details below!

To book a room package directly through the website please go to Offers and under our Valentine’s Getaway you can book your room and “add to your stay” for the package.


Spring Cocktail Tasting Dinner

Friday is a casual sample & sip.  Saturday is our cocktail dinner.



April 20, 2025


3 Course menu serving from 12:00 to 5:00 pm


April 2025

Annual Spring Wine Tasting

Friday Sample and Sip

Saturday 5 course dinner Paired with wine.


Interested to book a venue for your own special occasion? Whether you’re planning a private celebration, a one-of-a-kind wedding, a casual work outing or a corporate function, the Grand Union Hotel team will make it extraordinary.


From anniversaries to birthdays to other private parties


Make every moment on your wedding day magical


Fort Benton’s premier business address