"Unique and Interesting" Top 5 Page for this destination Devils Postpile National Monument by Hopkid

This area was designated a national monument in order to protect a unique geological formation and some of the surrounding natural wilderness. The postpile is considered one of the world's best examples of columnar basalt. This feature was formed as a result of an eruption of volcanic basalt lava. As the lava cooled, it formed vertical and horizontal columns in the most stable geometric shape, a hexagon. The columns were later glacially polished exposing the column cross sections and the hexagonal shape at top of the formation.

The national monument also includes hiking trails that go into and out of the NPS area and the Inyo National Forest. Rainbow Falls and a portion of the San Joaquin River. Take the shuttle bus from the Postpile Stop to the Rainbow Falls stop (No. 9) and hike 1/2-mile to the falls, or hike 2.5 miles from the Postpile through a portion of the Ansel Adams Wilderness.

Devil's Postpile...the main attraction

Rainbow Falls

Pros and Cons
  • Pros:See an unique geologic feature
  • Cons:Not accessible during winter
  • In a nutshell:Any NPS site is worth visiting including this one!
  • Last visit to Devils Postpile National Monument: Aug 2006
  • Intro Updated May 9, 2016
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