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Where:
Stay on the Greenbelt trail closest to the creek. Walk to the power lines about a mile below the Loop 360 bridge. Then walk upstream. As you face upstream, the cave will be on your left. Go upstream about 400 feet until you see some large flat rocks, about 20 feet across, piled on top of each other at stream level. The cave is on the bank about 30 feet downstream, 15 feet above the rocks. Don't go in here unless you know what you're doing and have proper spelunking gear. Several people have been trapped here, requiring rescue by emergency personnel.

How much
Free

More info:
(512) 472-1267