Mountain Waters also leads trips on the upper section of the river, which features Class IV and V rapids. What is the best time to go whitewater rafting in Colorado? The whitewater rafting season ...

Ski towns often have great whitewater too. Here are some of the best ski towns to visit during run-off season.

After you've admired the Grand Canyon from the hiking trails (or even from the air on a helicopter tour), enjoy a new vantage point on a Colorado River ... and two-day whitewater rafting trips ...