Devils Postpile National Monument

<p>Devils Postpile National Monument is a <a href="/facts/National_monument_(United_States)/X36n842q">U.S. national monument</a> located near <a href="/facts/Mammoth_Mountain/E3JBklVH">Mammoth Mountain</a> in <a href="/facts/Eastern_California/f4K5DQaE">Eastern California</a>.  The monument protects Devils Postpile, an unusual rock formation of <a href="/facts/Basalt/uhbwGPTb">columnar basalt</a>, "all closely and perfectly fitted together like a vast mosaic." The monument encompasses 798 acres (323 ha) and includes two main attractions: the Devils Postpile formation and <a href="/facts/Rainbow_Falls_(California)/HbGNUdHB">Rainbow Falls</a>, a waterfall on the Middle Fork of the <a href="/facts/San_Joaquin_River/hYlVKEHa">San Joaquin River</a>. In addition, the <a href="/facts/John_Muir_Trail/cP5uSUqS">John Muir Trail</a> and <a href="/facts/Pacific_Crest_Trail/3a6KUfHc">Pacific Crest Trail</a> merge into one trail as they pass through the monument. Excluding a small developed area containing the monument headquarters, visitor center and a campground, the National Monument lies within the borders of the <a href="/facts/Ansel_Adams_Wilderness/hTBsLUs9">Ansel Adams Wilderness</a>.
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Devils Postpile National Monument open-in-new

Devils Postpile National Monument