Natural Sinkholes

See category Natural Sinkholes on Waymarking.com .
Last import of category containing 99 waymarks in 18 different countries with 52 regions was on 2024-12-03.

Land / Region#PostedTitle of first posted waymarkCodeOwnerApproval
Australia / New South Wales1The Big Hole - Berlang, NSWWMTQWJThrosbyonchurch2017-03-22
Australia / South Australia3Caroline Sinkhole, Penambol Conserva ...WM6A7Rbucketeer2009-05-01
Canada / British Columbia1Devil's Bath - Vancouver Island, ...WM16AKYThe A-Team2022-06-18
Canada / Manitoba1Narcisse Wildlife Management Area Si ...WM26H8BarbershopDru2007-09-12
Canada / Northwest Territories1Sinkhole in the Sahtu - Northwest Te ...WM2WXWwildwoodke2008-01-01
Czechia / Jihomoravský kraj1Macocha - Moravian Karst, Czech Repu ...WMHBVFToRo612013-06-24
Czechia / Olomoucký kraj1Hranická propast - Hranice, Czech R ...WMECM8puczmeloun2012-05-11
Denmark / Region Nordjylland1Hestegraven - Rold Skov, DanmarkWM1A2FFWalking Boots2024-07-17
France / Bourgogne-Franche-Comté1Lapiaz à Loulle-Jura, FranceWM1114Rgemeloj2019-08-05
France / Centre-Val-de-Loire1Les dolines de Limère - Centre, Fra ...WMPRZQChickilim2015-10-19
France / Nouvelle-Aquitaine1doline du gouffre du Pre Noir -Aigon ...WMPTN9sara et gege2015-10-23
France / Occitanie3L'aven de la chèvre d'Andrà ...WMWMZ0Alfouine2017-09-22
Germany / Baden-Württemberg3Dolinen am Eselsberg - Ulm, BW, Germ ...WMR1YM[somnambulist]2016-05-10
Germany / Hamburg1Bahrenfelder See - Hamburg, Deutschl ...WM174X8Windschattenwanderer2022-12-15
Germany / Niedersachsen1Holzhäuser ErdfalltrichterWM3GTTMax+Moritz2010-10-02
Germany / Saarland1Mardelle auf dem Hölschberg - Erfwe ...WMX00VGeoMaulis2017-11-06
Germany / Schleswig-Holstein1Elsensee - Quickborne, Schleswig-Hol ...WM17230T-Team!2022-12-03
Germany / Thüringen1Sinkhole of Buchholz (D)WMYA39Axel-F2018-06-02
Lebanon1Balaa sinkhole, LebanonWM6P8AMarc T2009-06-30
Malta1Coral lagoon - Mellieha, MaltaWM1ADE0PetjeOp2024-09-17
Mexico / Quintana Roo1Gran Cenote - Tulum, Quintana Roo, M ...WM131YNAriberna2020-08-29
Mexico / Yucatán6Ik Kil Cenote - Pisté, Yucatán, Me ...WMCTW6SUp3rFM & Cruella2011-10-12
Namibia1Otjikoto Lake, Tsumeb, NamibiaWMNMNEAndré de Montbard2015-04-06
New Caledonia1Trou de Bone - Maré - Nouvelle Calà ...WMPR9RDD Drix2015-10-14
New Zealand / North Island1Harwoods Hole. Takaka Hill. South Is ...WM68HBPunga and Paua2009-04-23
Portugal / Leiria1Hole da Mendiga-PortugalWMAC96h_raky2010-12-29
Portugal / Lisboa2Adraga’s Beach FojoWMCXW3RuiJSDuarte2011-10-30
Portugal / Setúbal1Sinkhole - Terras do Risco - Arrábi ...WMB1EDtmob2011-03-23
Slovakia / Košický kraj1Silická ladnica - SlovakiaWMH6JMNoe12013-06-02
Spain / Castilla-La Mancha1Sima de Alcorón - Villanueva de Alc ...WM19TBBxeocach2024-05-04
Spain / Comunidad Valenciana1El Bufador - Peñíscola, Castellón ...WM1A1M4GURUGU2024-07-17
Switzerland / Basel Landschaft1Doline - Rünenberg, BL, SwitzerlandWM145B0fi672021-04-25
Switzerland / Solothurn2Schällbachponor - Zwingen, BL, Swit ...WMP6F8fi672015-07-16
United Kingdom / South Wales1Sinkhole, A487, Talybont, Ceredigion ...WMCEY5Ddraig Ddu2011-09-08
United Kingdom / South West England1Culpeppers Dish - Briantspuddle, Dor ...WM9VGPDragontree2010-10-01
United States / Alabama3Blue SpringsWMJJC8strummin_along2013-11-24
United States / Arizona2Montezuma Well Sinkhole - Rimrock, A ...WM5J57DopeyDuck2009-08-02
United States / California1Sulphur Hot Spring, Paso Robles, CAWM4X18way2whacky2008-10-07
United States / Florida7Devil's MillhopperWM1JA9Team Min Dawg2007-05-18
United States / Idaho1Crater Butte - North of Dietrich, Id ...WM1417Jjwanlesss2021-03-28
United States / Indiana2I -64 Rest Area Sink Hole - Georgeto ...WM2M6HBruceS2007-11-19
United States / Iowa1Eden Valley SinkholeWM1QKD8Nuts MotherGoose2007-06-24
United States / Kansas2St Jacob's WellWM1FWMboisfort2007-04-29
United States / Kentucky6Cedar Sink - Mammoth Cave National P ...WM6XMKChapterhouseInc2009-08-02
United States / Michigan2Sinkholes Pathway Sinkhole #1 - Shoe ...WM4WPNS5280ft2008-10-06
United States / Missouri2Ball Mill Resurgence Pit - Perryvill ...WM3KZGpaulspaper2008-04-18
United States / Nevada1Devil's Throat Sink HoleWM5M05mojave_rattler2009-01-24
United States / New Mexico1Blue Hole - Santa Rosa New MexicoWMEVQFGeojeepsters2012-07-20
United States / Ohio2Thaddeus Kosciuszko Park Sinkhole - ...WMM7KW4 boys explore2014-08-12
United States / Oregon1Little Crater Lake - Government Camp ...WMK396dkestrel2014-02-13
United States / Pennsylvania2Fort Roberdeau sinkhole - Blair Coun ...WM1667Br.e.s.t.seekers2022-05-17
United States / Tennessee10The Blue HoleWM23P3lilluckyclover2007-08-31
United States / Texas2Wink Sinkhole - Wink, TexasWM7H46txoilgas2009-10-26
United States / Utah1Sinkhole on the San Rafael SwellWM1C1Crobbdogg1202007-03-30
United States / Washington1Hylebos Wetlands Sinkhole - Federal ...WM1CQ0Hikenutty2007-04-06
United States / Wyoming1Vore Buffalo Jump Sister sinkhole - ...WMH0H2onfire4jesus2013-05-02