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Based on 657 guest reviews
| Check In: | 3:00pm |
| Check Out: | 12:00pm |
| Year of Last Renovation: | 2020 |
| Floors: | 2 |
| Rooms: | 120 |
| Corridors: | All Rooms Have Interior Hallways |
| Non Smoking Rooms: | 120 |
| Handicap Rooms: | 2 |
| Rooms with 1 Bed: | 71 |
| Rooms with 2 Beds: | 49 |
| Suites: | 24 |
| Room Windows: | Windows Do Open |
| Cleaning Frequency: | Daily |
| Meeting Rooms: | 13 View Spaces |
| Meeting Space: | 17676 sq. feet |
| Banquet Space: | Holds 485 people |
| Dist. to Food/Bars: | On-site |
| Dist. to 24hr Restaurant: | 2.0 Mi |
| Dist. to Nearest Gym: | On-site |
| Lounge/Bar Hours: | 6am-2am |
| Pool Info: Pool / Hot Tub is available till 10pm | |
| Ownership: | 3 Wall Capital |
| Cancellation: Rooms - 24 hours prior to day of arrival; function space . Event Cancellation - 90 days or less 85% of est food and beverage, 75% of est gross guest room revenue. One year to 91 days prior to event 50% of estimated food. 366 days or more - No Charge | |
| Nightly Parking: | 0 |
| Typical Group Deposit: | 25% |
| Total Taxes: | 8.00% |
| Total Misc Fees: | $2.00 USD (mandatory resort fees/taxes) |
| Porterage Fee: | 4.00 Per Person |
| Food and Beverage Service Charge: | 18.00% |
Gallatin Field; free hotel shuttle 24 hours a day, 8 miles away ~ 15 minute trip
Local Shuttle Info: Based on availability, 10 mile radius of the hotel
We have a full restaurant serving breakfast, lunch, dinner and room service.
Service animals complying with ADA Title lll regulations are allowed.
Yes! Pets are allowed.Free Parking, Space for Buses
Free Internet hardwired in all rooms with Wi-Fi thru out hotel
Sanitation station in lobby with do not cross lines on the floor separating guest from front desk staffAt front desk all guest keys and pens are sanitized.Sneeze guard barrier is in place at front desk/ConocoSanitation of desk area and lobby/Conoco on continual basisUse of UV wand for sanitation at lobby soft furnishingsTakeout food; barriers and sanitation station at restaurant station.Room service; food is dropped at guest room door in to go packaging with no contact with guest from hotel staff.Disinfecting all hard surfacing that are guest/employee touch points throughout hotel (entry door handles, elevator buttons, etc.) every two hours.Hand sanitizer station throughout hotel.Fully stocked public restrooms with paper towels and hand sanitizer, restrooms checked hourlyGuest rooms; complete disinfecting all hard surfaces.UV wand disinfecting for soft surfaces in guest rooms.
The Best Western Plus highlights above are subject to change without notice.
The chart above shows averages of prices for both our group rates and the best individual traveler rates our rate checker could find at the time the group/meeting offer was placed. The best group rate shown is 35.0% in November 2025 and the highest average individual rate is $358 in the month of August 2025. This chart will show past seasonality and also project future months. If you are flexible with dates, you may want to consider staying at Best Western Plus GranTree Inn in a month when rates are lower.
Below are the meeting, banquet, conference and event spaces at Best Western Plus GranTree Inn.
Feel free to use the Best Western Plus GranTree Inn meeting space capacities chart below to help in your event planning. Hotel Planner specializes in Bozeman event planning for sleeping rooms and meeting space for corporate events, weddings, parties, conventions, negotiated rates and trade shows.
| Meeting Room Name | L x W x H (Feet) | Size (sqft.) | Banquet 5'/6'  | Crescent | Classroom | Hollow Square  | U-Shape | Boardroom | Convention 8'/10'  | Theater | Reception | Regist. Desk  |
| Grand Ballroom | 90 x 48 x 14 | 4320 | 320/-- | 280 | 200 | -- | -- | -- | 27/-- | 400 | 320 | -- |
Close This Grand BallroomGrand Ballroom offers adjustable lighting and flexible sound system, breaks into four, three or twosections. Over 1,000 square feet of prefunction space, dedicated catering and banquet department. Ample parking. Room Type: Ballroom Total Size: 4320 Sq. Mi Dimensions: 90 x 48 x 14 Ft. Floor Level: Ground Level Power Outlets: 25+ Columns: 0 Windows: 5 Natural Light?: Yes Obstructions? No Built In Screens? Yes Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered     | ||||||||||||
| Madison | 48 x 28 x 14 | 1344 | 120/-- | 75 | 45 | 32 | 40 | 32 | 8/-- | 132 | -- | -- |
Close This MadisonRoom Type: Ballroom Section Total Size: 1344 Sq. Mi Dimensions: 48 x 28 x 14 Ft. Floor Level: Ground Level Power Outlets: 10 Columns: 0 Windows: 1 Natural Light?: Yes Obstructions? No Built In Screens? Yes Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered  | ||||||||||||
| Lewis | 48 x 15 x 14 | 744 | 40/-- | 30 | 24 | 20 | 20 | 20 | 5/-- | 60 | -- | -- |
Close This LewisRoom Type: Ballroom Section Total Size: 744 Sq. Mi Dimensions: 48 x 15 x 14 Ft. Floor Level: 1 Power Outlets: 4 Columns: 0 Windows: 1 Natural Light?: Yes Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered  | ||||||||||||
| Clark | 48 x 15 x 14 | 744 | 40/-- | 32 | 24 | 20 | 20 | 20 | 5/-- | 60 | -- | -- |
Close This ClarkRoom Type: Ballroom Section Total Size: 744 Sq. Mi Dimensions: 48 x 15 x 14 Ft. Floor Level: 1 Power Outlets: 4 Columns: 0 Windows: 0 Natural Light?: No Obstructions? No Built In Screens? Yes Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered | ||||||||||||
| Hyalite | 48 x 31 x 14 | 1488 | 104/-- | 78 | 60 | 40 | 43 | 40 | 9/-- | 132 | -- | -- |
Close This HyaliteRoom Type: Ballroom Section Total Size: 1488 Sq. Mi Dimensions: 48 x 31 x 14 Ft. Floor Level: 1 Power Outlets: 9 Columns: 0 Windows: 2 Natural Light?: Yes Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered  | ||||||||||||
| Small Ballroom | 72 x 29 x 8 | 2088 | 128/-- | 96 | 90 | 60 | 56 | 50 | 13/-- | 200 | -- | -- |
Close This Small BallroomThe Small Ballroom served as the perfect location for breakout sessions or for meal functions. Located just adjacent to the newly remodeled Atrium, the combination of the Small Ballroom and the Atrium serves as a wonderful location for vendor displays and trade shows. Room Type: Ballroom Total Size: 2088 Sq. Mi Dimensions: 72 x 29 x 8 Ft. Floor Level: Ground Level Power Outlets: 15 Columns: 0 Windows: 1 Natural Light?: No Obstructions? No Built In Screens? Yes Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered | ||||||||||||
| Tamarack | 25 x 29 x 8 | 725 | 40/-- | 38 | 32 | 20 | 15 | 20 | 5/-- | 60 | -- | -- |
Close This TamarackRoom Type: Ballroom Section Total Size: 725 Sq. Mi Dimensions: 25 x 29 x 8 Ft. Floor Level: Ground Level Power Outlets: 4 Columns: 0 Windows: 0 Natural Light?: No Obstructions? No Built In Screens? Yes Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered | ||||||||||||
| Aspen | 32 x 29 x 8 | 928 | 64/-- | 40 | 40 | 36 | 32 | 36 | 6/-- | 85 | -- | -- |
Close This AspenRoom Type: Ballroom Section Total Size: 928 Sq. Mi Dimensions: 32 x 29 x 8 Ft. Floor Level: Ground Level Power Outlets: 5 Columns: 0 Windows: 0 Natural Light?: No Obstructions? No Built In Screens? Yes Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered  | ||||||||||||
| Atrium | 42 x 65 x 14 | 2730 | 164/-- | 126 | -- | -- | -- | -- | 25/-- | 200 | 300 | -- |
Close This AtriumBeautifully remodeled in 2012, the Atrium is the perfect backdrop for your trade show or cocktail party. Room Type: Exhibit Hall Total Size: 2730 Sq. Mi Dimensions: 42 x 65 x 14 Ft. Floor Level: Ground Level Power Outlets: 15 Columns: 0 Windows: 11 Natural Light?: Yes Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? No Amenities Available
Sliding Fee Scales offered    | ||||||||||||
| Foyer | 90 x 30 x 14 | 2730 | --/-- | -- | -- | -- | -- | -- | 12/-- | -- | -- | -- |
Close This FoyerThe Foyer is the perfect pre-function space for your event. With the capabilities to set up vendor booths, break areas, cocktail parties, banquet bars, and buffet tables, the Foyer is a multipurpose space. Room Type: Foyer Total Size: 2730 Sq. Mi Dimensions: 90 x 30 x 14 Ft. Floor Level: Ground Level Power Outlets: 15 Columns: 0 Windows: 3 Natural Light?: Yes Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? Yes Amenities Available
Sliding Fee Scales offered  | ||||||||||||
| Madison & Lewis | 46 x 48 x 0 | 2088 | --/160 | -- | 60 | -- | 60 | -- | --/-- | 140 | 60 | -- |
Close This Madison & LewisRoom Type: General Meeting Room Total Size: 2088 Sq. Mi Dimensions: 46 x 48 x 0 Ft. Floor Level: Natural Light?: No Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? No Amenities Available
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| Lewis & Clark | 31 x 48 x 0 | 1488 | --/120 | -- | 70 | -- | 40 | -- | --/-- | 120 | 40 | -- |
Close This Lewis & ClarkRoom Type: General Meeting Room Total Size: 1488 Sq. Mi Dimensions: 31 x 48 x 0 Ft. Floor Level: Natural Light?: No Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? No Amenities Available
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| Clark & Hyalite | 43 x 48 x 0 | 2232 | --/144 | -- | 80 | -- | 60 | -- | --/-- | 162 | 60 | -- |
Close This Clark & HyaliteRoom Type: General Meeting Room Total Size: 2232 Sq. Mi Dimensions: 43 x 48 x 0 Ft. Floor Level: Natural Light?: No Obstructions? No Built In Screens? No Built In Stage? No Built In A/V? No Amenities Available
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Check in time is 3:00pm based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.
Check out time is 12:00pm based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.
There are 120 rooms in the property.
Yes, they have 13 meeting rooms that can support various table layouts.
We have a full restaurant serving breakfast, lunch, dinner and room service.
Free Parking, Space for Buses
Free Internet hardwired in all rooms with Wi-Fi thru out hotel
Sorry, this hotel does not offer AAA hotel discounts at this time.
Sorry, this hotel does not offer senior hotel discounts at this time.
Yes, there is a gym/fitness area available on-site at the property.
Yes, there is a pool on-site at the property. Pool / Hot Tub is available till 10pm.
Yes, you can get room block and/or discount for a group if you need 10+ rooms per night. The average groups saves around 24.3%.
