Enjoying EarthSky? Subscribe.

274,448 subscribers and counting ...

Charles M. Russell Natl. Wildlife Refuge

Yellowstone and Glacier both have dark skies, but both are crowded spring through fall. The darkest part of Montana is actually the native prairie on the eastern side of the state. Explore the refuge and the nearby American Prairie Reserve.

Yellowstone and Glacier both have dark skies, but both are crowded spring through fall. The darkest part of Montana is actually the native prairie on the eastern side of the state. Explore the refuge and the nearby American Prairie Reserve.

Deborah Byrd

MORE ARTICLES

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.