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Armstrong Redwoods State Natural Reserve is a state park of California in the United States established to preserve of coast redwoods (''Sequoia sempervirens''). The reserve is located in Sonoma County, just north of Guerneville. The reserve is in a temperate rainforest. The climate is mild and wet. The park receives an average of of rainfall per year, almost all between September and June. Abundant fog during the summer months helps to maintain the moist conditions required by the coast redwoods. ==Notable trees== The Parson Jones Tree is the tallest tree in the grove, measuring more than in height. This is longer than the length of a football field. It is about walk from the park entrance. The Colonel Armstrong Tree is the oldest tree in the grove, estimated to be over 1400 years old. It is named after a lumberman who chose to preserve this portion of the park in the 1870s. It is a walk from the park entrance The Icicle Tree shows the unusual burl formations often found on redwood trees. Burls can weigh many tons and grow hundreds of feet above the forest floor. Why these growths occur remains a mystery. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Armstrong Redwoods State Natural Reserve」の詳細全文を読む スポンサード リンク
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