The Upper Colorado River Recreation Area offers multiple boat ramp access points along US-40 between Hot Sulphur Springs and Dotsero, with the popular Pumphouse Recreation Area featuring 3 developed boat ramp sites including a boat slide with steps at Ramp #2 near the Gore Canyon Whitewater Play Park.

The area provides access to both calm flat water and Class III whitewater rapids, with nearby camping available at Pumphouse ($10/night) and Radium ($6/night) recreation areas.

Day use and overnight parking are available with fees required April-November; contact Kremmling Field Office at (970) 724-3000 for current conditions and water safety information.