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Muir Woods is the nation's tenth national monument that is comprised of old-growth coast redwoods forest, Sequoia semperirens. Coast redwoods are one of two types of redwoods that exist in the U.S. and the other one is sierra redwood, better known as the world's largest tree Sequoia. [1] Muir Woods Monument occupies a small part of all coast redwood forests that are distributed along the Pacific coastal line from southwest Oregon to central California. [1] The oldest tree in Muir Woods is approximately 1,500 years old while most trees are about 500 to 600 years old and they can grow over 300 feet. [1]
