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Existing comment: Flash Flood Potential!
Flash floods can arrive without warning, often from storms miles away. All narrow canyons are potentially hazardous. During a flash flood the water level rises suddenly -- within minutes or seconds. Floods can rush down-canyon in a wall of water 12 feet high or more.
By entering a narrow canyon, you are assuming a risk. Your safety is your responsibility. Poor judgment puts you and your friends at risk. Hikers have died in Zion's flash floods.
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