During the 8-mile ride, you'll tackle moderate to fairly powerful rapids (Classes II, III and IV) on the Cache la Poudre River ... best time to go whitewater rafting in Colorado?

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 ...

The excursion is along the Colorado River's Black Canyon National Water Trail— crossing the widest single-arch concrete ...