Capulin Volcano National Monument, Dormant volcano and national monument in Union County, United States
Capulin Volcano National Monument is a dormant cinder cone in a nature reserve near the New Mexico and Oklahoma border. A paved road climbs to the summit, offering views across surrounding lava fields and multiple observation areas along the way.
This cinder cone formed roughly 60,000 years ago through volcanic activity in the region. The federal government protected it as a National Monument in 1916 to preserve the geological feature.
Local Native American peoples harvested volcanic rock from this area to craft tools and objects for everyday use. The stone deposits provided essential raw materials that supported their communities for generations.
The summit can be reached by car on the paved road or by hiking in about one hour. The site offers parking, restrooms, and picnic areas, with early morning or late afternoon being ideal times to visit.
The site holds certification as an International Dark Sky Park, allowing visitors to see stars, planets, and galaxies with minimal light pollution throughout the year. This rare designation makes it one of the best places in the region for night sky observation.
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