Big Sky Montana Whitewater Rafting near Yellowstone on the Gallatin River in Big Sky Montana
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All you need to know about preparing for your rafting trip

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Celebrating 32 years on the Gallatin River!



  • All participants are solely responsible for reserving a rafting trip appropriate for the group
  • All participants must meet minimum age qualifications
  • We are not able to verify or test your fitness or ability to participate in any of our adventures
  • The More Challenging and Full Day raft trips may contain Class IV whitewater.  It is the participant's responsibility to understand the different classes of whitewater
  • Minimum age restrictions vary with water levels.  Please call for age restrictions. 406.995.4989
  • Open May to September
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Arrival Time

The arrival time is the time displayed during the reservation process. If you book at 9:00am trip, please arrive at 9:00am. Being early is not necessary.

What to Wear:
  • For rafting...
We provide wetsuits, booties and splash tops free of charge for all raft trips. We also recommend bringing a pair of shorts or a bathing suit and a T- shirt. If you do not use our booties, please wear secure footwear you don't mind getting wet. NO flip flops or crocs. Always bring a long sleeve fleece or sweatshirt to wear on the river if available. Also, bring dry clothes and towels for after. We have nice changing rooms right at our office and you will use your vehicle like your locker for all valuables and dry clothes. 

  • If zip-lining... 
Wear secure, closed toe footwear, no sandals.  Shorts are ok but pants are recommended.  A t-shirt and lightweight jacket in case it is cooler. Dress weather appropriately. 
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Where are we located? 
63960 Gallatin Road Gallatin Gateway, MT 59730 
Our facility is on Highway 191 on the east side of the HWY at mile marker 64. 64 miles north of West Yellowstone. 24 miles south of Bozeman.

How and when to make a reservation?
You can reserve online here or call us at 406.995.4989. We can accept reservations anytime, even the same day of the trip given availability.


Photos
Trips from 2023 and prior- See your Photos Here

Cancellation policy
We need a 48+ hour notice for small groups, 72 hours for groups 10+.   A 100% fee is charged for same day cancellations, and no shows....If you purchase the optional Cancellation Insurance, then Rafting Trips can be rescheduled or cancelled at any time for any reason.

Eligibility
Prior to departure participants must sign an assumption of risk agreement, release of liability and a disclosure of medical history. All participants must fit properly into our Personal Flotation Device(56” torso or smaller); Participants must not be under the influence of mind altering drugs or alcohol. Participants are solely responsible for choosing a rafting trip appropriate for themselves and their group. All participants are solely responsible for reserving a rafting trip appropriate for the group. We are not able to verify or test your fitness or ability to participate in any of our adventures. It is the participant's responsibility to understand the different classes of whitewater.
Minimum age restrictions vary with water levels.  Please call for age restrictions. 406.995.4989


Pregnancy
We are sorry, but pregnant women are not permitted on river trips.

Adaptive Trips
Give us a call and we can discuss the circumstances and accomodation options.

Ages
Certain trips may have age restrictions at different times of the year. Generally, the minimum age for all trips is 6.  Age restrictions change daily with the water flows, please call for current restrictions.

What is our season of operation?
We open Mid May and close Mid September depending on weather and water conditions.

Kayaking
Kayaking trips generally begin after the July 15th.  You will typically arrive at 9:00am or 4:00pm, and the trip usually takes 3 hours round trip. Kayaking trips are intended for athletic individuals with good swimming skills, as you will most likely be swimming through high turbulent water.

Half Day Raft Trips
Half day trips depart nearly every hour throughout the day.  You will be on the river for about 1.5-2 hours, but the trip typically takes 3 hours round trip from our facility.

Full Day Raft Trip
You will usually arrive at 9:45am and return around 4:00pm.  Full Day trips include riverside lunch and drinks about half way through the trip.


Parking
There is ample parking for all guests at our facility. If you need to arrive with a camper or RV, please call ahead so we can make sure there is space.

Other:
  • Participation in any of our activities is at your own risk.  Participants are solely responsible for choosing a rafting trip appropriate for themselves and their group.
  • Participants need to understand that our rafting trips range from Class I to Class IV and be familiar with the International Whitewater Scale.
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  • Professional photos will be taken during your trip and can be viewed after the trip.
  • Sunglass straps are highly recommended for your glasses on all river trips and can be purchased at the front desk.
  • Waterproof cases for phones are available for purchase.
  • If it's not waterproof, please don't bring it on the river.
  • Plastic bottles of water can be brought on the river trip and can be purchased at the front desk.
  • The changing rooms are on site. Valuables and dry clothes can be locked in your vehicle and keys checked at the front desk.
  • Snacks and drinks are available at the office.
  • Changing rooms and restrooms are available.
  • Adequate camper and RV parking is available.
  • Dogs - there is generally a lack of shaded area and no place for dogs to be kept on site. Dogs are not permitted on trips.
  • We do not sell towels. Most people don't bring them or use them, but if you would like to, you can bring them and leave them in your car or our storage bins.
  • We can easily reserve other activities such as Zipline Tours, Fly Fishing lessons, Tubing and boat rentals to add to your trip!
  • All of our rafting trips meet at the Montana Whitewater office on the river and we will handle the transportation to and from the river.
  • There is no cell service, satellite or radio communications available on the rafting trips.
  • Water temperatures range from approximately 42F in May to 60F in late July and August.

geyser whitewater rafting house rock rapid on the gallatin river in big sky montana

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406-763-4465 

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GPS Address:
63960 Gallatin Road
Gallatin Gateway, MT 59730

Contact us at: 406.763.4465
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All participants of Geyser Whitewater Expeditions, Inc. activities will have to sign a release of liability and an assumption of risk document. By signing this document you may be waiving your legal right to a jury trial to hold the provider legally responsible for any injuries or damages resulting from risks inherent in the sport or recreational opportunity or for any injuries or damages you may suffer due to the provider's ordinary negligence that are the result of the provider's failure to exercise reasonable care.


Minimum age restrictions vary with water conditions. 


It is the participants responsibility to understand the different classes of rapids and the nature of the rafting trip they are participating.

Cancellation policy
We need a 48+ hour notice  and there is a 100% fee for same day cancellations and no shows....If you purchase the Cancellation Insurance you can cancel or reschedule your rafting at any time. $10 per person.