Big Sky Montana Whitewater Rafting near Yellowstone on the Gallatin River in Big Sky Montana
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Group Expeditions 


Looking for an unforgettable adventure for your group? Look no further than Geyser Whitewater Expeditions! We offer a variety of whitewater rafting trips on the Gallatin River, perfect for groups of all sizes.
Our experienced guides will take your group on a thrilling ride through some of the most beautiful scenery in the world. You'll experience the power of the river as you navigate from class I to class IV rapids. And, with our safety-first approach, you can relax and enjoy the ride.
If you're looking for a challenging adventure, we offer trips that navigate Class III and IV rapids. If you're looking for a more leisurely trip, we offer trips that navigate Class I and II rapids. And, if you're not sure what level of difficulty is right for you, we can help you choose the perfect trip.
We offer a variety of group rafting trips to choose from, including:
  • Half-day trips: Perfect for groups of all ages and abilities.
  • Full-day trips: For those who want to experience more of the river.
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We also offer private boat trips, which means you'll have the raft to yourself and your guide, and you will not have to share the river with other groups. This can make your trip more enjoyable and relaxing, and it can also give you the opportunity to learn more about whitewater rafting from your guide.

Here are some of the benefits of booking a group rafting trip with Geyser Whitewater Expeditions:
  • Unforgettable experience: Our experienced guides will take your group on a thrilling ride through some of the most beautiful scenery Montana has to offer
  • Safety first: We take safety seriously and have a safety-first approach to all of our trips.
  • Flexibility: We offer a variety of trip options to fit your group's needs and interests.
  • We provide all of the necessary gear, including wetsuits, life jackets, and helmets.

To book a group rafting trip, please call our office at (406) 995-4989. We look forward to helping you plan your next adventure!


Galltin National Forest
Permitted by the Gallatin National Forest
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406-995-4989 

GPS Address:
46651 Gallatin Road
Gallatin Gateway, MT 59730
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Contact us at: 406.995.4989
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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. 

​Participants can exit the river at any point during any of our rafting trips, for any reason. Additionally, any rapid can be portaged at the guests request.
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 72 hour notice  and there is a 50% fee for cancellations and no shows....If you purchase the Cancellation Insurance you can cancel or reschedule your rafting at any time. $30 per reservation.  The cancellation insurance does not apply to zip line or horseback portions of packages which are operated by 3rd parties.