Big Sky Montana Whitewater Rafting near Yellowstone on the Gallatin River in Big Sky Montana
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Rafting is included in the Yellowstone Epic Pass
Celebrating 31 years of Gallatin River Adventures!

A Montana favorite. White Water Rafting Trips on the Gallatin River near Yellowstone in Big Sky, Montana. The Closest Rafting to West Yellowstone.

Half Day Rafting Trips on the Gallatin River in Big Sky Montana. 3 hours round trip, depart hourly between 9am and 4 pm daily.
Lower Whitewater
Gallatin River Big Sky Montana
Class III-IV Most Exciting
Book the Lower Whitewater Now

This Gallatin River whitewater rafting trip, near Yellowstone, is in Big Sky Montana. Rafting the Gallatin River is so popular because the thrills never seem to end.

Under the fantastic rock walls of the Gallatin Canyon, you’ll plunge through the Gallatin River's most famous rapids like Screaming Left, around House Rock, and down the Mad Mile.

Rafters of all experience levels can’t get enough of this incredible ride on the Yellowstone's regions most exciting whitewater rafting adventure. The closest rafting to West Yellowstone! All trips depart from Big Sky, Montana.


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Minimum age restrictions vary with water conditions. Additionally,  this trip may not always be available during certain high water times in the early summer.



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  • Class III-IV, 3 hours.
  • Offered Mon.-Sat. 9:00am, 9:30am, 12:30pm, 1:30pm or 4:00pm
  • $129 per person or $774 per boat.
  • ​Minimum age of 6 (*depending on water conditions)
  • Wetsuits and booties can be rented. Just $4 each or $7 for both
Book the Lower Whitewater
Upper Whitewater
Gallatin River near Yellowstone
Class II-III Not as rough, but wet!
Book the Upper Whitewater Now

A perennial favorite, this is a super fun cruise through towering rock formations and some of the Gallatin River's most popular rapids.

This is typically the best Gallatin River rafting trip for families with young children from May to July 1st.


A few good soakings and the occasional wildlife sighting make this a great adventure.  This is one of the Yellowstone regions best trips for first timers and white water rafting with young children. The closest rafting to West Yellowstone, Montana.  All trips depart from Big Sky, Montana.

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Availability in August is water level dependent.
During high water this trip is a wet ride with big class III rapids, minimum age varies based on river conditions. 


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  • Class II - III, 3 hours.
  • Daily 9:30, 1:30 ​​
  • $129 per person or $774 per boat.
  • Minimum age of 6 (*depending on water conditions)
  • Wetsuits and booties can be rented. Just $4 each or $7 for both
Book the Upper Whitewater
Scenic Float
West Yellowstone Rafting
Class I-II Gentle Cruise
Book the Scenic Float Now

The Gallatin River's most gentle trip but one of our favorites!

Our grand scenic tour glides you through the shadows of Lone Mountain, one of the Yellowstone regions iconic peaks located in Big Sky, Montana. This scenic rafting float meanders through the upper canyon and meadows of the Gallatin River. We may even come upon deer, elk, moose, or bear. 

A great trip for anyone who desires a mellow cruise through stunning scenery, soaking up all the Big Sky, Montana has to offer.  The closest rafting to West Yellowstone.  All trips depart from Big Sky, Montana.

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​Availability in August is water level dependent.

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  • Class I - II, 3 hours
  • ​Daily 9:30 and 1:30 
  • $129 per person or $774 per boat.
  • Minimum age of 6​
  • Wetsuits and booties can be rented. Just $4 each or $7 for both
Book the Scenic Float

Full Day White Water Rafting Trip on the Gallatin River
Gallatin River Paddle Logo
Includes lunch, more whitewater and the best rafting value!
Arrive at 9:30 am and return around 4 pm.
Book the Full Day Rafting Trip
Whether you just can't get enough of the guide's humor or you're just hoping for the best day on the river, the Full Day Rafting Trip on the Gallatin River is your adventure. Nothing beats pushing off into the Gallatin river on a clear sunny morning in anticipation of the days fun to be had.

The morning starts out relatively calm. Enjoy the sounds of nature, the Gallatin River's amazing scenery and maybe an occasional wildlife sighting.  We try to stay dry and comfortable for a bit but that comes to an end as we navigate some of the Gallatin River's upper rapids like Portal Creek and Sheepeater.

At lunch time we pull over and enjoy a picnic lunch featuring Big Sky's #1 rated sandwich.  Don't worry you don't have to make your own here...

There will be time to use a restroom before we continue and then we'll gear up for the afternoon's thrills.  This is where the Gallatin River lives up to it's reputation. Rapids like Screaming Left, Hilarity Hole and the infamous Mad Mile await.  If you aren't wet enough by the end, we can always stop off at one of our favorite swimming holes before the end of the trip.  


  • $199 per person or $1200 per boat
  • 9:30-4:00​
  • Can be customized to accommodate different ages and abilities
House Rock Rapid Gallatin River Geyser Whitewater

Rafting Adventure Packages


save with our adventure packages!


Rafting and Zipline
Adventure Park
Book the Rafting and Zipline Adventure Park

You'll never forget this day! Our most popular package and the region's best value for rafting and zipline adventure.
Join us for an awesome half day of whitewater rafting… then visit Montana’s largest and newest Zipline Adventure Park! These activities can be split into separate days as well.


Located in West Yellowstone, the Zipline Park is within walking distance of most hotels and only 3 blocks from the West entrance of Yellowstone.

The Zipline Adventure Park features over a 1000' of ziplining thrills on 4 different, family oriented ziplines. Even more exciting is the giant ropes course, featuring 49 challenge elements including spiderwebs, rope bridges, log bridges and much more. 

From 14' to 50’ off the ground, it offers an experience that will both thrill and challenge adventurers of all ages and levels. 

Check out the video above to get an idea of how fun this is...

Kids, four and five years old, will enjoy the Junior Ranger Course. The Junior course has 5 fun elements, 14' off the ground...
Best Value!
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  • $159 per person. 
  • Activities can be done the same day or two seperate days.
  • *Kids aged 4 and 5 can do the Junior Ranger course for only $29 per person.
Yellowstone Zipline Adventure Park in West Yellowstone Montana
Yellowstone Zipline Adventure Park
Rafting and Horseback Adventure
Book the Rafting and Horseback Adventure

Horseback riding near Yellowstone in Big Sky Montana

The Original Paddle and Saddle!
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Begin your day with 
a 2-hour trail ride with Canyon Adventures. This horseback tour will take you through the meadows of the Porcupine Game Range in Big Sky, Montana. The ride features panoramic vistas of surrounding mountains and great views of the Gallatin River. Bring your camera!

Once you dust yourself off, you will drive (or walk!) the 1/4 of a mile to our headquarters to enjoy any of our Gallatin River half day whitewater rafting adventures. Before rafting you will have time to change clothes, and check in for your trip. Once you return from the river and dry off, come check out the cool slideshow of your rafting trip. This package does not include lunch.

This trip departs from our HQ in Big Sky, Montana.  Only 45 minutes from West Yellowstone.

  • $199 per person
  • Daily 9:00-4:00. 
  • A morning on a beautiful 2-hour ride, time to grab lunch, then a fun afternoon of river running!
  • Minimum age of 7, no exceptions!
  • Wear closed toed shoes and long pants
  • Raincoats provided if needed

    Questions?

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

GPS Address:
46651 Gallatin Road
Big Sky, Montana
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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.