Sunset Crater Volcano National Monument Less than 100 miles south of the Grand Canyon and a short drive north of Flagstaff Arizona are two national monument parks. While quite different, these parks are joined together by a 35 mile loop. T Squirrel would have paid a single entry fee to visit both parks, but he's covered with his America the Beautiful National Park season pass. The first monument is Sunset Crater Volcano. Created from an eruption sometime between 1085 and 1090 AD, this cinder cone is the youngest of the volcanoes found in the San Francisco volcanic chain. The summit is at 8,042 feet. The cinders are primarily made of basalt which piled up in cone form during the eruption. During eruption the lava flow formed what is now the Bonito and the Kana-a lava flow fields. The Sunset Crater Volcano National Monument was created by President Herbert Hoover in 1930 to protect this unique feature. After there were plans to detonate explosives on the cone in order
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