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    Bortle 4

    Grand Canyon-Parashant National Monument International Night Sky Province

    Arizona, United States36.4600°, -113.6300°Peak altitude 25°11.2h peak darknessBest: Jun, May, Jul, Apr, Aug, Mar, Sep, Feb, Oct

    Milky Way Calendar

    Nightly visibility ratings for Grand Canyon-Parashant National Monument International Night Sky Province

    Recognition

    Year designated

    2014

    Recognized by

    DarkSky International, as an International Dark Sky Reserve

    DSAG class

    2a

    Area

    411,515 ha

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