Union County, New Mexico

3 locations. View on the interactive map

• Capulin Volcano National Monument — Geology · Union County, NM

  Nearly symmetrical cinder cone (~60,000 years old) in the Raton-Clayton volcanic field of the high plains. A paved spiral road climbs to the rim; short trail…

• Clayton Lake State Park — Geology · Union County, NM

  Northeastern New Mexico state park best known for a major Early Cretaceous dinosaur trackway exposed on the dam spillway—hundreds of ornithopod and theropod …

• Folsom — Historic · Union County, NM

  Near-ghost village in Union County (2020 population 51) that lends its name to the Folsom Paleo-Indian tradition. A railroad town after 1888, devastated by t…