If a volcano were erupting in my backyard, spewing lava and ash, I might be tempted to move away. This is precisely what the ancient Puebloan peoples did when Sunset Volcano erupted in the 11th century. It has done so several times since then in a span of 50 years. The monument is a grim reminder that an eruption is likely again.
￼Sunset is no longer active. What remains is an almost perfect cinder cone, a thousand feet high, surrounded by enormous lava fields, which ￼comprise the national monument. Sunset is only one of many volcanoes in proximity north of Flagstaff that is known as the San Francisco volcanic field. There is no longer a trail to the volcano rim, but one does wind through the lava field (called the Lava Flow Trail). Vegetation struggles to grow back, including stands of Ponderosa pines, a few of which have grotesquely twisted trunks from severe lack of water and high winds. Walking through any lava field is like a stroll through an alien landscape. Fortunately, the trail is developed and well-maintained.
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