Canyoneer
Lower Black Box, San Rafael Swell, Utah
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The Lower Black Box is along the San Rafael River has carved a deep narrow slot canyon into the heart of the San Rafael Swell. It has 400 feet high and in places only 25 feet wide. PThe hike takes 7-7 hours and usually means in the water for 4 hours, so plan on being wet and cold. Many people use an inflated inner tube to float through the deep-water sections of the Lower Black Box.
Carry a 50-foot length of webbing or rope for emergencies.
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