Milky Way Planner
    Dark Sky Locations
    Bortle 6

    Mammoth Cave National Park International Dark Sky Park

    Kentucky, United States37.1900°, -86.0000°Peak altitude 24°11.2h peak darknessBest: Jun, May, Jul, Apr, Aug, Mar, Sep, Feb, Oct

    Milky Way Calendar

    Nightly visibility ratings for Mammoth Cave National Park International Dark Sky Park

    Recognition

    Year designated

    2021

    Recognized by

    DarkSky International

    DSAG class

    2a

    Area

    21,380 ha

    Nearby Dark Sky Locations

    View all

    Obed Wild and Scenic River International Dark Sky Park

    108miBortle 6

    Dark Sky Park

    164miBortle 6

    Plan a Shoot

    Open in the planner with this location pre-filled.

    Open Planner

    Browse Workshops

    Astrophotography workshops at dark sky locations.

    Find a Workshop

    Go Premium

    Weather forecasts, PDF exports, and more.

    Learn More