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Escape the heat

Cool caves for September

120 caves where the afternoon outside reaches 27 °C or more in September, while inside it stays cool.

Son Doong CaveVietnamVietnam124 mGreat Blue HoleBelizeBelizeWorld HeritageThien Duong CaveVietnamVietnamHiraSaudi ArabiaSaudi ArabiaBatu CavesMalaysiaMalaysiaShanidar CaveIraqIraqHorse CaveUnited StatesUnited States40 mPrometheus CaveGeorgiaGeorgia2.9 kmJeita GrottoLebanonLebanonCave of the CrystalsMexicoMexicoLechuguilla CaveUnited StatesUnited StatesWorld HeritageBezeklik Thousand Buddha CavesChinaChinaKanheri CavesIndiaIndiaCool escapeMammoth CaveUnited StatesUnited States644 km · World Heritage85 mTham LuangThailandThailand10 kmActun Tunichil MuknalBelizeBelize5 mMoqua WellNauruNauruCool escapeTeshik-TashUzbekistanUzbekistanKebara CaveIsraelIsraelCueva de NerjaSpainSpainTheopetra CaveGreeceGreeceCave of EuripidesGreeceGreeceLupercalItalyItaly84 mDrachenhauchlochNamibiaNamibiaPedra FuradaBrazilBrazilWorld HeritageAreni-1 cave complexArmeniaArmeniaRosh HaNikra grottoesIsraelIsraelFranchthi CaveGreeceGreeceCoreca CavesItalyItalyClearwater CaveMalaysiaMalaysia109 km · World HeritageSacred CenoteMexicoMexicoWorld HeritagePura Goa LawahIndonesiaIndonesiaAvshalom CaveIsraelIsraelAli-Sadr CaveIranIranChinhoyi CavesZimbabweZimbabweTağlar CaveAzerbaijanAzerbaijan112 mWell of BarhoutYemenYemenCave of SwimmersEgyptEgyptTabon CavesPhilippinesPhilippinesKarain CaveTurkeyTurkeySof Omar CavesEthiopiaEthiopiaShapur CaveIranIranWorld HeritageDeer CaveIndonesiaIndonesiaWorld HeritageRoca dels MorosSpainSpainWorld HeritageCave of DogsItalyItalyWell of SoulsIsraelIsraelApidima CaveGreeceGreeceThe White LadyNamibiaNamibiaBlue HoleEgyptEgyptDamlataş CaveTurkeyTurkeyLiang BuaIndonesiaIndonesiaJuxtlahuacaMexicoMexicoBelum CavesIndiaIndiaCallao CavePhilippinesPhilippinesChak ChakIranIranAyalon CaveIsraelIsrael2.5 kmQuri Qaleh CaveIranIran12 kmPhong Nha CaveVietnamVietnamWorld HeritagePak Ou CavesVietnamVietnamAlepotrypa caveGreeceGreeceReigandōJapanJapanKumtura Thousand Buddha CavesChinaChinaHathigumpha inscriptionIndiaIndiaMahakali CavesIndiaIndiaDevils HoleUnited StatesUnited StatesCave of the BeastsEgyptEgyptCave of NiñoSpainSpainWorld HeritageDiros caveGreeceGreece15 kmDean's Blue HoleBahamasBahamasFa Hien CaveSri LankaSri LankaCool escapeDamjili CaveAzerbaijanAzerbaijanTam Pa Ling CaveLaosLaosLoltun CaveMexicoMexicoHaYonim CaveIsraelIsraelKondana CavesIndiaIndiaCool escapePitalkhoraIndiaIndiaHang Én (swift cave)VietnamVietnamSistema Ox Bel HaMexicoMexicoDavis FallsNepalNepalShuqba cavePalestinePalestineAwhum WaterfallNigeriaNigeriaZacatónMexicoMexicoTam Cốc-Bích ĐộngVietnamVietnamIk KilMexicoMexicoZuttiyehIsraelIsraelSambhajinagar CavesIndiaIndiaJacob's Well (Texas)United StatesUnited StatesMahendra CaveNepalNepalGua TempurungMalaysiaMalaysiaSatsurblia CaveGeorgiaGeorgia0.1 km420 mTaam ja’ Blue HoleMexicoMexicoCueva de los TayosEcuadorEcuadorAglaureionGreeceGreeceBalzi RossiItalyItalyGomantong CavesMalaysiaMalaysiaCave of MaltraviesoSpainSpainCave of ElijahIsraelIsraelJogeshwari CavesIndiaIndia61 mChal Nakhjir CaveIranIran6.0 kmBlanchard Springs CavernsUnited StatesUnited StatesPertosa CavesItalyItalyReed Flute CaveChinaChinaPadah-Lin CavesMyanmarMyanmarSpirit Cave, ThailandThailandThailand7 mTetra Cave Natural MonumentGeorgiaGeorgia0.1 kmPindaya CavesMyanmarMyanmarCaverna da Pedra PintadaBrazilBrazilHato CavesCuracaoCuracaoSanctuary of Agios LotJordanJordanHaua FteahLibyaLibyaCave of LettersIsraelIsraelSudwala CavesSouth AfricaSouth AfricaAllar CaveAzerbaijanAzerbaijanPaglicci CaveItalyItalyPa'ar CaveIsraelIsraelSaptaparni CaveIndiaIndiaMandapeshwar CavesIndiaIndiaRaqefet CaveIsraelIsraelKolvi CavesIndiaIndiaDharashiv CavesIndiaIndia

Estimate from 1991–2020 averages brought to the altitude of the entrance. Show caves may have seasonal hours: check before you go.

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, month by month, 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.You are here
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit
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