Craters of the Moon National Monument and Preserve Dark Sky Reserve

Craters of the Moon National Monument and Preserve Dark Sky Reserve

Idaho

Dark Sky Reserve

Located in central Idaho, Craters of the Moon earned its Dark Sky Reserve designation in 2017, offering astronomers exceptional viewing conditions above its otherworldly volcanic landscape. The monument’s remote location and high elevation (5,900 feet) provide minimal light pollution and excellent atmospheric clarity.

Stargazing Conditions: The Milky Way stretches brilliantly overhead, while deep-sky objects like the Andromeda Galaxy, Orion Nebula, and numerous star clusters become easily visible to the naked eye. On clear nights, limiting magnitude can exceed 7.0.

Best Timing: Visit between June and October for optimal weather. Peak darkness occurs 1.5 hours after sunset through pre-dawn hours, with new moon phases offering the darkest skies.

Equipment & Facilities: Bring binoculars or a portable telescope—the park lacks observatory facilities but offers dark pullouts along the loop drive. The campground provides convenient overnight access for extended observation sessions.

Programs: Rangers host periodic night sky programs during summer months, including telescope viewing and constellation tours. Check the park calendar for scheduled astronomy events and star parties with local astronomy clubs.

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