US state

Pennsylvania

7 dark-sky places, 1 of them certified by DarkSky International.

7Places
1Certified
0At Bortle 1
Darkness profile

Places by Bortle class

The striped bar counts places with no published value.

0B1
1B2
0B3
1B4
2B5
1B7
1B8
1—

7 dark-sky places, 1 of them certified by DarkSky International. Sorted darkest first: places with a published Bortle value come before those without.