Chaco Culture National Historical Park

New Mexico

Dark Sky Park

Chaco Culture National Historical Park in northwestern New Mexico earned its International Dark Sky Park designation in 2013, offering some of the darkest skies in the American Southwest. The remote desert location, far from urban light pollution, creates exceptional conditions for observing the Milky Way’s galactic core, countless deep-sky objects, and meteor showers with stunning clarity.

Spring through fall provides optimal stargazing, with summer months offering views of the Milky Way stretching horizon to horizon. The best viewing occurs two hours after sunset through pre-dawn hours, particularly during new moon phases. Winter brings earlier darkness and crisp, transparent skies, though temperatures drop significantly.

Astronomers should bring telescopes, binoculars, and red flashlights to preserve night vision. The park hosts regular astronomy programs and star parties, often featuring volunteer astronomers with high-powered telescopes. The Chaco Observatory, equipped with a 25-inch telescope, offers public viewing sessions on select evenings.

Facilities include designated observation areas away from campground lights. The ancient Puebloan sites add a profound dimension—these same skies guided ancestral astronomers over a thousand years ago.