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Dark skies of United States.

151 sky guides in United States, out of 629 places we know there.

2Bortle93volcanoLassen PeakUnited StatesUnited States21.85 mag/arcsec² · Aug–Oct2Bortle93volcanoMount ShastaUnited StatesUnited States21.88 mag/arcsec² · Aug–Oct2Bortle92mountainHalf DomeUnited StatesUnited States21.79 mag/arcsec² · Aug–Oct2Bortle92astronomical observatoryMount Graham International ObservatoryUnited StatesUnited States21.82 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle92mountainMount WhitneyUnited StatesUnited States21.84 mag/arcsec² · Aug–Oct2Bortle90astronomical observatoryMagdalena Ridge ObservatoryUnited StatesUnited States21.85 mag/arcsec² · Sep–Nov2Bortle90lakeMono LakeUnited StatesUnited States21.82 mag/arcsec² · Sep–Oct2Bortle90astronomical observatoryKitt Peak National ObservatoryUnited StatesUnited States21.71 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle90astronomical observatoryMcDonald ObservatoryUnited StatesUnited States21.86 mag/arcsec² · Apr, Oct–Jan2Bortle90International Dark Sky ParkGrand Canyon National ParkUnited StatesUnited States21.85 mag/arcsec² · Sep–Jan3Bortle90astronomical observatoryFred Lawrence Whipple ObservatoryUnited StatesUnited States21.67 mag/arcsec² · Mar–Apr, Oct–Dec2Bortle90desertPainted DesertUnited StatesUnited States21.86 mag/arcsec² · Sep–Nov2Bortle89International Dark Sky ParkEl Morro National MonumentUnited StatesUnited States21.85 mag/arcsec² · Sep–Nov2Bortle89astronomical observatoryPan-STARRSUnited StatesUnited States21.85 mag/arcsec² · Jan, May, Jul–Sep2Bortle89astronomical observatoryCloudcroft ObservatoryUnited StatesUnited States21.77 mag/arcsec² · Jan, Apr, Sep–Nov2Bortle89International Dark Sky ParkBryce Canyon National ParkUnited StatesUnited States21.87 mag/arcsec² · Sep–Jan2Bortle89International Dark Sky ParkSalinas Pueblo Missions National MonumentUnited StatesUnited States21.83 mag/arcsec² · Sep–Nov2Bortle89International Dark Sky ParkCedar Breaks National MonumentUnited StatesUnited States21.83 mag/arcsec² · Sep–Nov2Bortle89International Dark Sky ParkPetrified Forest National ParkUnited StatesUnited States21.85 mag/arcsec² · Sep–Nov2Bortle89International Dark Sky ParkMesa Verde National ParkUnited StatesUnited States21.80 mag/arcsec² · Sep–Nov2Bortle89International Dark Sky ParkChaco Culture National Historical ParkUnited StatesUnited States21.86 mag/arcsec² · Sep–Nov2Bortle89astronomical observatoryApache Point ObservatoryUnited StatesUnited States21.73 mag/arcsec² · Jan, Mar, Sep–Nov2Bortle89astronomical observatoryNational Solar ObservatoryUnited StatesUnited States21.73 mag/arcsec² · Jan, Mar, Sep–Nov2Bortle89mountainKing's PeakUnited StatesUnited States21.87 mag/arcsec² · Sep–Oct2Bortle88desertChihuahuan DesertUnited StatesUnited States21.85 mag/arcsec² · Apr, Oct–Jan2Bortle88International Dark Sky ParkChiricahua National MonumentUnited StatesUnited States21.82 mag/arcsec² · Mar–Apr, Sep–Nov3Bortle88astronomical observatoryAnderson Mesa StationUnited StatesUnited States21.67 mag/arcsec² · Sep–Nov2Bortle88desertBlack Rock DesertUnited StatesUnited States21.87 mag/arcsec² · Aug–Oct2Bortle88International Dark Sky ParkGreat Basin National ParkUnited StatesUnited States21.88 mag/arcsec² · Sep–Nov2Bortle88International Dark Sky ParkPipe Spring National MonumentUnited StatesUnited States21.84 mag/arcsec² · Sep–Nov2Bortle88lakeCrater LakeUnited StatesUnited States21.86 mag/arcsec² · Aug–Oct2Bortle88International Dark Sky ParkCanyonlands National ParkUnited StatesUnited States21.88 mag/arcsec² · Sep–Nov2Bortle88International Dark Sky ParkKodachrome Basin State ParkUnited StatesUnited States21.87 mag/arcsec² · Sep–Jan2Bortle88International Dark Sky CommunityNorwoodUnited StatesUnited States21.86 mag/arcsec² · Sep–Nov2Bortle88International Dark Sky CommunityTorreyUnited StatesUnited States21.88 mag/arcsec² · Sep–Nov2Bortle88International Dark Sky ParkGoblin Valley State ParkUnited StatesUnited States21.88 mag/arcsec² · Sep–Nov2Bortle88International Dark Sky ParkGreat Sand Dunes National Park and PreserveUnited StatesUnited States21.84 mag/arcsec² · Sep–Nov2Bortle87volcanoMount AdamsUnited StatesUnited States21.81 mag/arcsec² · Aug–Oct1Bortle87mountainGrand TetonUnited StatesUnited States21.89 mag/arcsec² · Sep2Bortle87International Dark Sky ParkCapitol Reef National ParkUnited StatesUnited States21.88 mag/arcsec² · Sep–Nov1Bortle87desertAlvord DesertUnited StatesUnited States21.89 mag/arcsec² · Aug–Oct2Bortle87International Dark Sky ParkBig Bend National ParkUnited StatesUnited States21.88 mag/arcsec² · Mar–Apr, Oct–Dec3Bortle87desertMojave DesertUnited StatesUnited States21.68 mag/arcsec² · Sep–Nov2Bortle87International Dark Sky ParkHovenweep National MonumentUnited StatesUnited States21.87 mag/arcsec² · Sep–Nov2Bortle87mountainMount MazamaUnited StatesUnited States21.86 mag/arcsec² · Aug–Oct2Bortle87astronomical observatoryWyoming Infrared ObservatoryUnited StatesUnited States21.84 mag/arcsec² · Sep–Oct2Bortle87International Dark Sky ParkArches National ParkUnited StatesUnited States21.86 mag/arcsec² · Sep–Nov2Bortle87International Dark Sky CommunityNuclaUnited StatesUnited States21.86 mag/arcsec² · Sep–Nov2Bortle87International Dark Sky ParkCraters of the Moon National Monument and PreserveUnited StatesUnited States21.87 mag/arcsec² · Sep–Oct2Bortle87International Dark Sky ParkCapulin Volcano National MonumentUnited StatesUnited States21.87 mag/arcsec² · Sep–Nov1Bortle87mountainGannett PeakUnited StatesUnited States21.89 mag/arcsec² · Jan, Sep–Nov1Bortle87volcanoMauna LoaUnited StatesUnited States21.89 mag/arcsec² · Jan, Jul–Oct3Bortle87astronomical observatoryVERITASUnited StatesUnited States21.59 mag/arcsec² · Mar–Apr, Sep–Nov3Bortle86astronomical observatoryDesert Eagle ObservatoryUnited StatesUnited States21.57 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle86International Dark Sky ParkZion National ParkUnited StatesUnited States21.81 mag/arcsec² · Sep–Nov3Bortle86astronomical observatoryMount Lemmon ObservatoryUnited StatesUnited States21.36 mag/arcsec² · Mar–Apr, Sep–Nov1Bortle86islandJarvis IslandUnited StatesUnited States21.90 mag/arcsec² · Mar, May, Aug–Oct2Bortle86International Dark Sky CommunitySilver CliffUnited StatesUnited States21.78 mag/arcsec² · Sep–Dec2Bortle86International Dark Sky CommunityWestcliffeUnited StatesUnited States21.77 mag/arcsec² · Sep–Dec1Bortle86lakeYellowstone LakeUnited StatesUnited States21.89 mag/arcsec² · Aug–Sep2Bortle86International Dark Sky CommunityNaturitaUnited StatesUnited States21.85 mag/arcsec² · Sep–Nov2Bortle86International Dark Sky CommunityKetchumUnited StatesUnited States21.85 mag/arcsec² · Sep–Oct3Bortle85International Dark Sky ParkJoshua Tree National ParkUnited StatesUnited States21.47 mag/arcsec² · Apr, Aug–Nov2Bortle85volcanoMount RainierUnited StatesUnited States21.76 mag/arcsec² · Aug–Sep2Bortle85desertDeath ValleyUnited StatesUnited States21.69 mag/arcsec² · Sep–Nov2Bortle85mountainDevils TowerUnited StatesUnited States21.88 mag/arcsec² · Aug–Nov1Bortle85volcanoMauna KeaUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct3Bortle85International Dark Sky CommunityCamp VerdeUnited StatesUnited States21.56 mag/arcsec² · Sep–Nov1Bortle85astronomical observatoryW. M. Keck ObservatoryUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct1Bortle85astronomical observatoryCanada–France–Hawaii TelescopeUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct3Bortle85International Dark Sky CommunityVillage of Oak CreekUnited StatesUnited States21.61 mag/arcsec² · Sep–Nov3Bortle85International Dark Sky ParkFlorissant Fossil Beds National MonumentUnited StatesUnited States21.65 mag/arcsec² · Sep–Nov2Bortle85International Dark Sky ParkDeath Valley National ParkUnited StatesUnited States21.69 mag/arcsec² · Sep–Nov2Bortle85desertGreat Salt Lake DesertUnited StatesUnited States21.83 mag/arcsec² · Sep–Oct1Bortle84mountainDenaliUnited StatesUnited States21.90 mag/arcsec² · Dec–Jan1Bortle84mountainMount ForakerUnited StatesUnited States21.90 mag/arcsec² · Dec–Jan1Bortle84islandWake IslandUnited StatesUnited States21.90 mag/arcsec² · Mar–Apr, Jun, Nov–Dec1Bortle84astronomical observatoryMaunakea ObservatoriesUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct2Bortle84International Dark Sky SanctuaryRainbow Bridge National MonumentUnited StatesUnited States21.87 mag/arcsec² · Sep–Jan2Bortle83International Dark Sky ParkDinosaur National MonumentUnited StatesUnited States21.86 mag/arcsec² · Sep–Nov3Bortle83lakeGreat Salt LakeUnited StatesUnited States21.63 mag/arcsec² · Sep–Oct1Bortle83volcanoMount BlackburnUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan2Bortle83islandNavassa IslandUnited StatesUnited States21.88 mag/arcsec² · Dec–Apr4Bortle83astronomical observatoryBig Bear Solar ObservatoryUnited StatesUnited States21.13 mag/arcsec² · Aug–Nov1Bortle83volcanoMount IliamnaUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan1Bortle83volcanoMount RedoubtUnited StatesUnited States21.89 mag/arcsec² · Nov–Jan2Bortle83mountainMount OlympusUnited StatesUnited States21.76 mag/arcsec² · Aug–Sep2Bortle83canyonGrand CanyonUnited StatesUnited States21.83 mag/arcsec² · Sep–Jan1Bortle83volcanoMount BonaUnited StatesUnited States21.90 mag/arcsec² · Dec–Jan4Bortle83astronomical observatoryPalomar ObservatoryUnited StatesUnited States21.14 mag/arcsec² · Aug–Nov3Bortle83lakeSalton SeaUnited StatesUnited States21.39 mag/arcsec² · Apr, Aug–Nov3Bortle83astronomical observatoryKilodegree Extremely Little TelescopeUnited StatesUnited States21.51 mag/arcsec² · Sep–Nov1Bortle83mountainMount FairweatherUnited StatesUnited States21.90 mag/arcsec² · Nov–Feb1Bortle83volcanoMount WrangellUnited StatesUnited States21.90 mag/arcsec² · Dec–Jan3Bortle82International Dark Sky CommunitySedonaUnited StatesUnited States21.42 mag/arcsec² · Sep–Nov1Bortle82islandJohnston AtollUnited StatesUnited States21.90 mag/arcsec² · Jan–Feb, Apr, Jun, Aug3Bortle82International Dark Sky ParkTonto National MonumentUnited StatesUnited States21.37 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle82mountainKatahdinUnited StatesUnited States21.86 mag/arcsec² · Jan–Feb, Sep1Bortle81islandNiʻihauUnited StatesUnited States21.89 mag/arcsec² · Aug–Sep2Bortle81International Dark Sky ParkWaterton-Glacier International Peace ParkUnited StatesUnited States21.87 mag/arcsec² · Sep–Jan1Bortle81mountainMount Saint EliasUnited StatesUnited States21.90 mag/arcsec² · Nov–Feb2Bortle80volcanoMount BakerUnited StatesUnited States21.74 mag/arcsec² · Jan–Feb, Aug–Oct2Bortle80islandMolokaʻiUnited StatesUnited States21.83 mag/arcsec² · May, Jul–Oct2Bortle80lakeLake ItascaUnited StatesUnited States21.81 mag/arcsec² · Jan–Feb, Sep4Bortle80International Dark Sky CommunityBorrego SpringsUnited StatesUnited States21.20 mag/arcsec² · Aug–Nov2Bortle80volcanoMount St. HelensUnited StatesUnited States21.69 mag/arcsec² · Aug–Oct1Bortle80volcanoOfu-OlosegaUnited StatesUnited States21.90 mag/arcsec² · May–Sep4Bortle80International Dark Sky ParkAnza-Borrego Desert State ParkUnited StatesUnited States21.20 mag/arcsec² · Aug–Nov4Bortle80astronomical observatoryTable Mountain ObservatoryUnited StatesUnited States20.80 mag/arcsec² · Aug–Nov1Bortle80volcanoMount KatmaiUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan1Bortle80islandTutuilaUnited StatesUnited States21.90 mag/arcsec² · May–Sep2Bortle79International Dark Sky ParkVoyageurs National ParkUnited StatesUnited States21.86 mag/arcsec² · Jan–Feb, Sep4Bortle79desertColorado DesertUnited StatesUnited States21.12 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle79International Dark Sky ParkBlack Canyon of the Gunnison National ParkUnited StatesUnited States21.79 mag/arcsec² · Sep–Nov1Bortle79volcanoMount PavlofUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan1Bortle78islandKodiak IslandUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan3Bortle78astronomical observatoryFarpoint ObservatoryUnited StatesUnited States21.41 mag/arcsec² · Sep–Dec1Bortle77lakeIliamna LakeUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan1Bortle77volcanoAugustine VolcanoUnited StatesUnited States21.90 mag/arcsec² · Oct–Jan1Bortle77volcanoNovaruptaUnited StatesUnited States21.90 mag/arcsec² · Nov–Jan1Bortle77islandKingman ReefUnited StatesUnited States21.90 mag/arcsec² · Feb–Mar, May–Jul3Bortle77astronomical observatoryGreen Bank ObservatoryUnited StatesUnited States21.55 mag/arcsec² · Sep–Nov1Bortle76islandPalmyra AtollUnited StatesUnited States21.90 mag/arcsec² · Mar, May–Aug1Bortle76islandSt. Lawrence IslandUnited StatesUnited States21.90 mag/arcsec² · Jan1Bortle75volcanoMount ShishaldinUnited StatesUnited States21.90 mag/arcsec² · Jan2Bortle75lakeLake SuperiorUnited StatesUnited States21.88 mag/arcsec² · Feb–Mar, Oct1Bortle75volcanoMount ClevelandUnited StatesUnited States21.90 mag/arcsec² · Oct–Dec3Bortle74astronomical observatoryStellafane ObservatoryUnited StatesUnited States21.47 mag/arcsec² · Jan, Sep, Nov4Bortle74astronomical observatoryPrescott ObservatoryUnited StatesUnited States20.62 mag/arcsec² · Sep–Nov4Bortle74astronomical observatoryLowell ObservatoryUnited StatesUnited States20.61 mag/arcsec² · Sep–Nov2Bortle73lakeLake HuronUnited StatesUnited States21.70 mag/arcsec² · Sep–Nov1Bortle72volcanoMount OkmokUnited StatesUnited States21.90 mag/arcsec² · Oct–Dec4Bortle69International Dark Sky CommunityDripping SpringsUnited StatesUnited States20.72 mag/arcsec² · Aug–Nov4Bortle68International Dark Sky CommunityHorseshoe BayUnited StatesUnited States20.62 mag/arcsec² · Aug–Nov5Bortle63astronomical observatoryMount Wilson ObservatoryUnited StatesUnited States19.68 mag/arcsec² · Aug–Nov5Bortle61astronomical observatoryYerkes ObservatoryUnited StatesUnited States20.33 mag/arcsec² · Sep5Bortle58International Dark Sky CommunityFlagstaffUnited StatesUnited States19.50 mag/arcsec² · Sep–Nov5Bortle57astronomical observatoryOak Ridge ObservatoryUnited StatesUnited States20.10 mag/arcsec² · Sep, Nov–Feb5Bortle56International Dark Sky CommunityBeverly ShoresUnited StatesUnited States20.07 mag/arcsec² · Sep5Bortle56astronomical observatoryGoethe Link ObservatoryUnited StatesUnited States19.97 mag/arcsec² · Sep–Oct6Bortle51International Dark Sky CommunityFountain HillsUnited StatesUnited States19.09 mag/arcsec² · Mar–Apr, Sep–Nov7Bortle34astronomical observatoryNational Radio Astronomy ObservatoryUnited StatesUnited States18.47 mag/arcsec² · Jan, Sep–Nov9Bortle34astronomical observatoryGriffith ObservatoryUnited StatesUnited States17.75 mag/arcsec² · Aug–Nov8Bortle34planetariumCalifornia Academy of SciencesUnited StatesUnited States17.85 mag/arcsec² · Aug–Oct8Bortle32astronomical observatoryMIT Lincoln LaboratoryUnited StatesUnited States18.36 mag/arcsec² · Sep, Nov–Feb8Bortle30astronomical observatoryUnited States Naval AcademyUnited StatesUnited States18.09 mag/arcsec² · Sep–Nov8Bortle29astronomical observatoryAllegheny ObservatoryUnited StatesUnited States18.09 mag/arcsec² · Sep9Bortle22astronomical observatoryUnited States Naval ObservatoryUnited StatesUnited States17.42 mag/arcsec² · Sep–Nov9Bortle21astronomical observatoryHarvard College ObservatoryUnited StatesUnited States17.52 mag/arcsec² · Sep, Nov–Feb9Bortle21planetariumHayden PlanetariumUnited StatesUnited States17.25 mag/arcsec² · Jan–Feb, Sep–Nov9Bortle20planetariumAdler PlanetariumUnited StatesUnited States17.64 mag/arcsec² · Sep–Nov

Other places in United States

  • RotaBortle 2
  • Prince of Wales IslandBortle 1
  • Dead Horse Point State ParkBortle 2
  • Unimak IslandBortle 1
  • Nunivak IslandBortle 1
  • Attu IslandBortle 1
  • Mount HoodBortle 2
  • Necker IslandBortle 1
  • Baranof IslandBortle 1
  • AnatahanBortle 1
  • Chichagof IslandBortle 1
  • Adak IslandBortle 1
  • PaganBortle 1
  • Unalaska IslandBortle 1
  • Isla de MonaBortle 2
  • UmnakBortle 1
  • AlamaganBortle 1
  • LaysanBortle 1
  • AfognakBortle 1
  • Admiralty IslandBortle 1
  • AgrihanBortle 1
  • AmchitkaBortle 1
  • Asuncion IslandBortle 1
  • TaʻūBortle 1

Plan the night

A guided night, a bed nearby, a car.

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The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?

Same idea, other landscapes: field atlases built on open data, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Visit mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Visit
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.You are here
viewpointsViewyasEvery viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit
birdwatchingBirdyasEvery bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit
forestsForestyaEvery forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit