Colorado River River Trips Whitewater rafting trips through the canyon last from 3-21 days and require reservations well in advance. There are three types of river trips on the Colorado River through Grand Canyon National Park. Commercial River Trips . These are open to the public and are often reserved far in advanced.
Private River Trips . These are also called non-commercial river trips.
One-Day Trips . These are half-day and all-day trips on the Colorado River but may not be within Grand Canyon National Park. Trip Planning/Visitor Information, Grand Canyon National Park.
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