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Class IV – V Colorado River Rafting near Denver

Advanced whitewater rafting near Denver

The Numbers Half Day whitewater rafting trip on the Arkansas River is the most action-packed trip you will find close to Denver.  This continuous section cascades through a high alpine valley southwest of Denver with multiple class IV –V rapids. Half Day Numbers rafting trips take three hours round trip and launch two times a day from May 1 through mid August.

Being prepared for your Denver rafting trip

  • Confirm meeting location – Be sure to confirm what River Runners location your trip leaves from.
  • Check in one hour early – Check in with our friendly front office staff one hour prior to your trip time to sign waivers and suit up for your rafting trip.
  • Dress appropriately - Polypro, fleece, wool, and other materials that are designed to dry quickly are good things to bring. Cotton is not recommended. Sandals with a heel strap or closed toed shoes that can drain are good footwear options. Neoprene wetsuits and booties, and nylon splash tops are available for rent at River Runners.
  • Wear plenty of sunscreen – The Colorado sun is intense and you don’t want to spend your vacation in pain from too much it.
  • Stay hydrated – drink plenty of water and bring a bottle with you.
  • Listen to your guide – Pay attention to the safety orientation and paddle talks at the beginning of the trip and follow instruction while exploring the river.
  • Ensure proper fit of your safety equipment - Personal flotation devices (PFDs) and helmets are provided. Be sure that a guide checks the fit and that all buckles are snapped while on the river.

Additional Numbers rafting information

  • Participants must be 14 or 16 years old (depending on water level), be able to swim and be in good physical condition.
  • Helmets, paddles and PFDs included.
  • Wetsuits, splash tops and booties are available to rent.
  • Professional photographers shoot every trip.
  • All participants will be required to sign a waiver and release form upon arrival and prior to trip departure.
  • This trip departs from the River Runners Riverside Rafting Resort, an easy and scenic 2.5 hour drive from Denver, Colorado.


View Larger Colorado Map:
River Runners Rafting Buena Vista, Colorado


Whitewater Rafting Colorado & Utah
CENTRAL RESERVATIONS: 800-723-8987

Colorado Whitewater Rafting

Meeting Place for:

Royal Gorge Whitewater Rafting Trips
Bighorn Sheep Canyon Rafting Trips

44641 US Hwy 50
Canon City, Colorado 81212
Call: 800-723-8987

River Runners - Royal Gorge
Est: 1972

Colorado Whitewater Rafting

Reservations and Mailing Address:

River Runners Rafting Resort
Riverside Grill - Reservations

24070 County Road 301
Buena Vista, Colorado 81211
Call: 800-723-8987

River Runners - Riverside Rafting Resort
Est: 1972

Colorado Whitewater Rafting

Meeting Place for:

Split Mountain Gorge
Yampa River Whitewater Rafting
Green River Whitewater Rafting

9500 East 6000 South
Jensen, Utah 84035
Call: 800-824-0150

Adrift Adventures - Dinosaur National Monument
Est: 1980


Colorado & Utah Whitewater Rafting | Near Breckenridge, Colorado Springs & Denver, CO

River Runners & Adrift Adventures provides fully guided whitewater rafting trips in Buena Vista, Colorado and Canon City, Colorado & Jensen Utah
"We whitewater raft every day on the Arkansas River, Green River & Yampa River"

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