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| Guide | ♦ | 1 Triplog | 0 Topics |
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 A pretty impressive geologic feature. The normal flow rate is 900 cubic feet per second (over 400,000 gallons per minute) through this cool old lava tube that collapsed due to the river flow. It creates a thundering roar and very fast, turbulent water. The chasm is 500 feet long, 25 feet wide, and the river surface is about 45 feet below the rim. With an average temperature of only 44 degrees, the native fish do not grow very large. Check out the Official Route and Triplog. Leave No Trace and +Add a Triplog after your hike to support this local community.
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