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Devils Postpile/Rainbow Falls Trail Professional Review and Guide
"Devils Postpile and Rainbow Falls, both beautiful destinations, are popular draws in the town of Mammoth Lakes. The Devils Postpile is a fascinating piece of geology. The columnar basalt that erupts wickedly from the earth formed during a cooling lava flow. Glacial ice uncovered the formation as it now stands for posterity."
--Allen Riedel, 100 Classic Hikes in Southern California (The Mountaineers Books).
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