Upper Colorado River Rafting Half-Day

Beginner level (class II/III rapids)

Ages 3+ welcome

Half-day rafting tour

Take a ride on the Headwaters of the Colorado River with this Upper Colorado river rafting trip, the life-blood of the American West. This is an epic adventure for ages 3 and up. Guests here will experience majestic canyon views and class II rapids as the Colorado River cuts through the Rocky Mountains on its way to the Grand Canyon. Lucky visitors may spot Bald Eagles, Elk, Deer, Bighorn Sheep, or Bear as they journey downstream through this mighty watershed.


Enjoy top-of-the-line equipment, including a wetsuit and splash jacket — all included in the tour price

Have a blast with the whole family on this beginner-friendly adventure

Leave those worries behind with our certified and experienced guides that will help keep you safe and having a fantastic time


$85 per person

Pricing varies depending on time and day


Beginner (class II/III rapids)

Departure times

Every day at 8:30 AM and 12:30 PM

Meeting point

Downstream Adventures  – Upper Colorado River Outpost (Formerly Adventures in Whitewater)
200 W. Park Ave
Kremmling, CO 80459

Starting & ending points

Put in at Pumphouse Recreation Site, Kremmling, CO
Take out at Radium Recreation Site, Bond, CO


Late May until mid-September


4 hours total (usually between 1.5 and 2 hours on the water)

Participation requirements

Participants must be at least 3 years old and weigh at least 30 lbs.


  •  Transportation from our outpost to the river and back
  • Excellent white water rafts and safety equipment
  • Splash jacket if necessary
  • Custom-fit PFD (personal flotation device or life jacket)
  • Helmet if necessary
  • Dry bag for necessary items like medication


What to bring

  • Swimsuit or non-cotton shorts
  • Shoes that can get wet and stay on your feet (tennis shoes or sport sandals are great)
  • Sunscreen
  • Hat and Sunglasses are nice to have
  • Dry change of clothes for after the trip
  • Your excitement and enthusiasm!

For more information, check out our recommendations on rafting safety & basics.

About your guide

One of our certified and highly trained river guides will accompany you on your Upper Colorado River rafting tour. Read more about our guides!



Beginner rafting experience on the Upper Colorado River near Denver

Step away from the beaten path and check out what Colorado has to offer. The Half-Day Upper Colorado River Rafting trip begins at Pumphouse campgrounds and flows downstream 5.5 miles through several class I-II rapids and one exciting class III rapid. This run casts a unique backdrop and is a favorite among commercial and private boaters alike. The “Upper-C” is a true gem of the Colorado Rockies.



The Mighty Upper Colorado starts high in the Rocky Mountains, west of Rocky Mountain National Park, and meanders through breathtaking landscapes of valleys and canyons. If you’re a beginner or seeking a relaxing and scenic float trip, this stretch of water is perfect for you.

Good to Know

Why Upper Colorado River Raft?
The Upper Colorado River is a wild and scenic river and breathtaking vistas are in abundance on this stretch of water. This is considered one of the most popular family floats in Colorado.

Our location
Downstream Adventures’ Kremmling Outpost is nestled in the heart of the Colorado Rockies less than an hour from Winter Park, Grandby, Estes Park, Breckenridge, Keystone, and Steamboat Springs. The views along the drive are nearly as stunning as what you will experience on the river!

What you’ll see
The Upper Colorado River is a place of stunning beauty. Rich with natural beauty and an abundance of wildlife, the Upper C is a nature lover’s paradise. Keep an eye peeled for deer, big-horn sheep, pronghorn, elk, moose, bear, otters, bald eagles, and many other migratory birds.

Qualifications of our guides
At Downstream Adventures, we guarantee that all of our guides are highly qualified and experienced. Each guide has been certified in CPR/first aid and trained in life-saving swiftwater rescue techniques, and that’s just our minimum requirement! All of our full-time guides have surpassed the highest level of guide qualification recognized by the state of Colorado (level 3).

Our guides are some of the most experienced in Colorado and are skilled in Swift-Water Rescue and precision boat control. Of course, you are entering a wild and natural environment and there are risks involved, but we at Downstream Adventures take great pride in making trip safety our top priority.

Check out what our guests are saying

Check out our other trips!

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