Dark Sky Locations
Bortle 4
Prineville Reservoir State Park International Dark Sky Park
Oregon, United States44.1400°, -120.7300°Peak altitude 17°11.6h peak darknessBest: May, Jul, Jun, Apr, Aug, Mar, Sep, Feb, Oct
Milky Way Calendar
Nightly visibility ratings for Prineville Reservoir State Park International Dark Sky Park
Recognition
Year designated
2021
Recognized by
DarkSky International
DSAG class
2c
Area
118 ha
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