My GF and I took a day trip to the Lost Valley Trail in Ponca, Arkansas. I highly recommend this hike to anyone in the area. The Ozark Mountains are beautiful!!!
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There was also a cave at the end of the trail. We crawled our way to the end which opened up into a large room with a waterfall!
https://d.tube/#!/v/nerd-minion/e2h8kv5x