Longest Non-traditional Caves

Caves formed in conglomerate, chalk, tufa, sandstone, quartzite, salt, talus, or granite

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Copyright 2022 NSS Geo2, Paul Burger NSS 26452, FE, CM
Do not ask for cave locations, I will not give them out.

#CAVE NAMECOUNTRYSTATECOUNTYLength (mi)Length (m)Depth (ft)Depth (m)SOURCEDATE
CONGLOMERATE CAVES
1Bol'shaja Oreshnaja (Conglomerate)RussiaRussiaKransnojarsk36.0458000787240International Caver 2000 P786/17/2022
2Cova Cuberes (Conglomerate)SpainCataloniaPallars Jussà8.397135131076328Jordi Lloret-Prieto e-mail3/16/2022
3Longmen Dong (Conglomerate)ChinaSichuanYaan8.196131901168356www.hongmeigui.net/deepandlong.php4/17/2022
4Busa di Castel SottoterraItalyMontello-4.9718000410125Victor Ferrer Rico e-mail3/16/2022
5Tilkiler Sinkhole (Conglomerate)Turkey--4.1326650522159internet2/15/2022
6cueva de FuentemolinosSpainBurgosPuras de Villafranca2.539408625377Atlas Great Caves of the World6/17/2022
7cueva de FuentemolinosSpainCastilla y LeónBurgos2.539408625377Atlas Great Caves of the World6/17/2022
8Cova de I'Espluga (Cova de la Font Major ) (Conglomerate)SpainCataloniaConca de Barbera2.23135908526Https://espeleoindex.com/crearPDF.php?id=14471/21/2022
9Tham Maa/Tham YangThailandNanPua1.4732371374114Martin Ellis e-mail5/19/2022
10Cueva del Portillo de la PeñaHondurasOlanchoEl Rosario1.004161527684NSS NEWS V69N1P91/16/2022
11Fuente GrandeSpainCastilla y LeónBurgos0.9941600--Jose Luis Membrado e-mail1/16/2022
12Botet de Casa ReiSpainCataloniaPallars Jussa0.981157913541Pete Membrado e-mail12/16/2022
13Forat del ToscàSpainCataloniaPallars Jussa0.881416--Pete Membrado e-mail12/16/2022
14Pozo del Portillo (conglomerate)HondurasOlanchoEl Rosario0.8714001260384Anonymous, 1998 Honduras 97-98: Subterran 10/98 via Ric Finch e-mail 2/15/2022
15Cova del SalnitreSpainCataloniaBalx Liobregat0.59595814143Pete Membrado e-mail12/16/2022
16Arnezeva luknja (Conglomerate)Slovenia-Uding Borst0.5068154313Caves in Conglomerate - case of Udin Borst, Slovenia 5/16/2022
17Cova del ManelSpainCataloniaVallès Occidental0.4978821064Pete Membrado e-mail12/16/2022
18Avenc Montserrat UbachSpainCataloniaSolsonès0.311500402202Jordi Lloret-Prieto e-mail3/16/2022
19Tosorog/GorgeRomaniaBucegi Mtn.0.263423--Romania-natura745/19/2022
20Sant Liorenç del Mnt I l'Obac natural parkSpainCatalonia0.249400328100Quicu Tàpias Anton e-mail10/21/2022
21Avenul de Sub BabeleRomaniaBucegi Mtn.0.24138813240.3Romania-natura745/19/2022
22Cueva Resumidero del PozoHondurasOlanchoEl Rosario0.2323747523NSS NEWS V69N1P81/16/2022
23BucuoiuRomaniaBucegi Mtn.Omu Peak0.23237319459Romania-natura745/19/2022
24Dacarjevo breznoSlovenia-Uding Borst0.1913076219Caves in Conglomerate - case of Udin Borst, Slovenia 5/16/2022
25DopulnekSlovenia-Uding Borst0.19306206Caves in Conglomerate - case of Udin Borst, Slovenia 5/16/2022
26Cueva del Miledon (Conglomerate)Chile--0.1242006562002/15/2022
CHALK & TUFA CAVES
1Mullamullang Cave (Chalk)AustraliaWestern AustraliaNullarbur Plain6.71110800440134Atlas Great Caves of the World6/17/2022
2Cocklebiddy Cave (Chalk)AustraliaWestern AustraliaNullarbor Plain4.039650000John e-mail3/16/2022
3Grotte Garrigues (Laterite)GuineaFouta-Djallon-0.31150000Atlas of the Great Caves and Karst of Africa Part 1 P1346/17/2022
ICE CAVES
1Pure Imagination Cave (Glacier cave, melting away) U.S.A.OregonClackamas0.548881708216Matt Skeels, Oregon High Desert Grotto e-mail 4/20/2022
2Snow Dragon Cave (Glacier cave, melting away) U.S.A.OregonClackamas0.464747736224.3Matt Skeels, Oregon High Desert Grotto e-mail 4/20/2022
3Frozen Minotaue Cave (Glacier cave, melting away) U.S.A.OregonClackamas0.34655632599.1Matt Skeels, Oregon High Desert Grotto e-mail 4/20/2022
SANDSTONE & QUARTZITE CAVES
1Krem Puri (Sandstone)IndiaMeghalayaKhasi Hills15.731253179830Descent N275P158/20/2022
2Imawari YeutaVenezuelaAuyan Tepui11.74418900558170Encyclopedia of Caves C102P8517/11/1905
3Cueva del SamanVenezuelaEdo ZuliaFundo las Pis.11.3091820000Franco Urbani6/17/2022
4Charles Brewer Cave System (Quartzite)VenezuelaBolivarChuri Tepui11.0617800361110Venezuelan tepuis-their caves and biota2/18/2022
5Ojos Cristal Cave System (Crystal Eyes) (Quartzite)VenezuelaBolivarRoraima Tepui10.0291614024073Venezuelan tepuis-their caves and biota2/18/2022
6Cueva Muchimuk-ColibriVenezuelaChuri-4.9718000525160NSS News V68N7P177/16/2022
7Gruta do Centenarrio (Martimiano ?)BrazilInficionadoMinas Gerais2.9247001578481NSS News V68N7P177/16/2022
8cova del Serrat del Vent (Sandstone)SpainCataloniaOsona2.6554273705215Atlas Great Caves of the World6/17/2022
9Cueva de la Arana - Cortina - EladioVenezuelaBolivarChuri Tepui2.485400000Encyclopedia of Caves C102P8517/11/1905
10Gruta das TorrasBrazilBahia-2.361380000Eric Marques e-mail1/16/2022
11Sistema Akopan-Dal Cin-MaripakVenezuelaBolivarAuyan Tepui2.1753500492150Venezuelan tepuis-their caves and biota2/18/2022
12Krem Lum Shken (Sandstone)IndiaMeghalayaKhasi Hills2.047329500Top Caves in Sandstone India 20185/19/2022
13Gruta da BocainaBrazilInficionado-1.98832001325404NSS News V68N7P177/16/2022
14Krem MawtynhiangIndiaMeghalayaKhasi Hills1.951314000Descent 275 P158/20/2022
15Cueva JulianaVenezuelaChuriChuri Tepui1.864300014845Venezuelan tepuis-their caves and biota2/18/2022
16Cueva del DiadloVenezuelaAuyan Tepui1.864300000Encyclopedia of Caves C102P8517/11/1905
17Sima Auyan Tepuy NoroesteVenezuelaAuyan TepuiEstado1.83329501214370Venezuelan tepuis-their caves and biota2/18/2022
18Krem Dam (Sandstone)IndiaMeghalayaKhasi Hills1.77284800Top Caves in Sandstone India 20185/19/2022
19Gruta das BromeliasBrazilIbitipoca-1.678270000NSS News V68N7P177/16/2022
20Cueva ZumaVenezuelaChuri-1.553250029590NSS News V68N7P177/16/2022
21Krem Mawpun (Sandstone)IndiaMeghalayaKhasi Hills1.476237600Top Caves in Sandstone India 20185/19/2022
22Cueva del ChurronSpainCantabriaVegade Pas1.392224017754web site2/15/2022
23Okoimo YeutaVenezuelaAuyan Tepui1.3672200492150Encyclopedia of Caves C102P8517/11/1905
24sima Anoda Superior (Quartzite)VenezuelaBolivarAuyan Tepui1.32221281188362Venezuelan tepuis-their caves and biota2/18/2022
25Magnet CaveSouth AfricaMpumalanga-1.261203025979Steven Tucker e-mail2/15/2022
26fontaine du Vignal (Sandstone)FranceArdeche-1.181190000Atlas Great Caves of the World6/17/2022
27Sima AondaVenezuelaBolivarAuyan Tepui1.16818801257383Venezuelan tepuis-their caves and biota2/18/2022
28Krem Lymbit (Sandstone)IndiaMeghalayaKhasi Hills1.031165900Top Caves in Sandstone India 20185/19/2022
29Bat's / Giant / Climber's SystemSouth AfricaWestern Cape-1.0161635--Steven Tucker e-mail2/15/2022
30Mogoto Cave (Sandstone)South AfricaLimpopo-1.0041615--Atlas Great Caves of the World6/17/2022
31Krem Jynnaiw (Sandstone)IndiaMeghalayaKhasi Hills0.992159600Descent 250 P186/16/2022
32Sima Acopin 1VenezuelaBolivarAuyan Tepui0.855137629590Venezuelan tepuis-their caves and biota2/18/2022
33sima de la Liuvia de Sarisarinama (Sandstone)VenezuelaBolivarSarisarinama0.841352663202Venezuelan tepuis-their caves and biota2/18/2022
34Sistema de la Bora FoscaSpainCatalunyaOsona0.781125700Pete Membrado e-mail12/16/2022
35Gruta do LapaoBrazilBahia-0.746120000Eric Marques e-mail1/16/2022
36Krem Pamskei (Sandstone)IndiaMeghalayaKhasi Hills0.739118900Descent 250 P186/16/2022
37sima Major de Sarisarinama (Quartzite)VenezuelaBolivarAuyan Tepui0.73311791030314Atlas Great Caves of the World6/17/2022
38Sima MenorVenezuelaBolivarSarisarinama0.721158814248Venezuelan tepuis-their caves and biota2/18/2022
39Ponorul Jitelor (Sandstone)RomaniaMaramuresTibles Mnts.0.634102013340.5Alex Pologea e-mail2/20/2022
40Abismo Guy Collet (Quartzite)BrazilBarcelos-AM-0.5578962201671Anais do XXIX Congresso Brasileiro de Espeleologia6/16/2022
41cueva de CundayColombiaTolimalCunday0.528850525160Atlas Great Caves of the World6/17/2022
42Tham PatihanThailandUbon RatchathaniIsan0.4827768927Liviu Valenas e-mail5/19/2022
43Plang Mawsyrpat (Sandstone)IndiaMeghalayaKhasi Hills0.38361600Descent 250 P186/16/2022
44Tham Din PhiengThailandNong KhaiSangkhom0.342550206Martin Ellis e-mail2/19/2022
45Krem Lewlong (Sandstone)IndiaMeghalayaKhasi Hills0.34255000Descent 250 P186/16/2022
46Krem Tylong Kobah (Sandstone)IndiaMeghalayaKhasi Hills0.31250200Descent 250 P186/16/2022
47Tham Meut (Mued)ThailandUbon RatchathaniPho Sai0.34829930.3Liviu Valenas & Martin Ellis e-mail3/20/2022
48Ogba OgbunikeNigeriaOgbunikeOnitsha0.217350--Atlas of the Great Caves and Karst of Africa Part 2 P2556/17/2022
49Tham Pian DimThailand0.21734900Liviu Valenas e-mail5/19/2022
50Tham Phou Pom 1ThailandUbon RatchathaniPho Sai0.176284288.6Liviu Valenas & Martin Ellis e-mail3/20/2022
51Tolly's Secret Cave-Buck's HoleU.S.A.West VirginiaPocahontas0.1252024212.8HunterCampbell e-mail12/20/2022
52Tham Nam LotThailandUbon RatchathaniPho Sai0.1121814915Martin Ellis e-mail4/21/2022
53Air Raid Shelter Cave No 1ThailandPhitsanulokNakhon Thai0.09315000Liviu Valenas & Martin Ellis e-mail3/20/2022
54Tham Seri ThaiThailandSakon Nakhon0.09315000Liviu Valenas & Martin Ellis e-mail3/20/2022
55Tham GhiaThailandUbon RatchathaniPho Sai0.0831333811.6Liviu Valenas & Martin Ellis e-mail3/20/2022
56?U.S.A.West VirginiaRandolph0.07912700Online1/16/2022
57El AbismoU.S.A.TennesseeWhite0.07612220061Clinton Elmore on Facebook3/16/2022
58Tham Cham Pha TongThailandSakon Nakhon0.07512000Liviu Valenas & Martin Ellis e-mail3/20/2022
59Komodouro Cave (Siliceous Sandstone)Mali-Bandiagara Plateau0.068110--Atlas of the Great Caves and Karst of Africa Part 2 P1936/17/2022
60Tham Phu Phanom Di 8ThailandUbon RatchathaniKhemerat0.068110298.7Liviu Valenas e-mail5/19/2022
61Tham Wat Sila AtThailandChalyaphumMuang0.05690165Martin Ellis e-mail4/21/2022
62Air Raid Shelter Cave No 2ThailandPhetchabunNakhon Thai0.0538500Martin Ellis e-mail4/21/2022
63Plateau SotanoU.S.A.TennesseeGrundy0.038617522.9Clinton Elmore on Facebook3/16/2022
64Tham KlongThailandPhetchabunNam Nao0.0294672Martin Ellis e-mail4/21/2022
65Horror Bora RiftU.S.A.TennesseeWhite0.0284510030.5Clinton Elmore on Facebook3/16/2022
66Tham NamThailandPhetchabunNam Nao0.02845134Martin Ellis e-mail4/21/2022
67sistema SabadellSpainHuescaHoz de Jaca001903580Atlas Great Caves of the World6/17/2022
68sima Auyantepuy Norte (Quartzite)VenezuelaBolivarAuyan Tepui001050320Atlas Great Caves of the World6/17/2022
69Mawenge MwenaZimbabwe-Chimanimani NP001001305Tim Truluck6/17/2022
70sima Anoda Este 2 (Quartzite)VenezuelaBolivarAuyan Tepui00968295Atlas Great Caves of the World6/17/2022
71sima Anoda Sur 1 (Quartzite)VenezuelaBolivarAuyan Tepui00951290Atlas Great Caves of the World6/17/2022
72Jungle PotZimbabwe-Chimanimani NP00732223Tim Truluck6/17/2022
73Bounding PotZimbabwe-Chimanimani NP00636194Tim Truluck6/17/2022
SALT CAVES
74Mearat MalchamIsraelMt. Sedom6.33810200443135Yual Sobolyev FB3/19/2022
753N (Namakdan) CaveIranQeshm Island-4.089658000ICN Proceedings7/5/2022
76Cova dels Meandres de salesSpainCataloniaBages2.6724300614187Jordi Lloret-Prieto e-mail3/16/2022
77pestera 6S de la ManzalestiRomaniaVranceaSubcarpatii Vrancei2.01323413842Alex Pologea e-mail2/20/2022
78DnepropetrovskaiaTajikistan--1.553250000Jordi Lloret-Prieto e-mail3/16/2022
79Ghar-e DaneshyaIranHormoz Island-1.186190900Jordi Lloret-Prieto e-mail3/16/2022
80KomsomolskaiaTajikistan--1.15185000Jordi Lloret-Prieto e-mail3/16/2022
81SedomIsraelMt. Sedom-1.118179927985Atlas Great Caves of the World6/17/2022
82ColonelIsraelMt. Sedom-0.91448417127Atlas Great Caves of the World6/17/2022
83Hakikar CaveIsraelDead Sea0.865139212337.5Boaz Langford e-mail3/20/2022
84White Foam CaveIranShiraz0.784126200Michal Filippi e-mail8/18/2022
85Bolsog CirkaTajikistan--0.715115000Jordi Lloret-Prieto e-mail3/16/2022
86ZechuchitIsraelMt. Sedom-0.705113532599Atlas Great Caves of the World6/17/2022
87Cirgue de Bol'soj CaveRussiaPalmir-0.6391029394120Atlas Great Caves of the World6/17/2022
88Doljeno CudoTajikistan--0.54187000Jordi Lloret-Prieto e-mail3/16/2022
89Gulnazia CaveIsrael--0.46374500Boaz Langford e-mail4/19/2022
90Notza CaveIsrael--0.45573200Boaz Langford e-mail4/19/2022
91ZalafelIsraelMt. Sedom-0.43570000Atlas Great Caves of the World6/17/2022
92Ikirkas CaveIsrael--0.41767100Boaz Langford e-mail4/19/2022
93Forat MicoSpainCatalunyaBages0.39864000Pete Membrado e-mail12/16/2022
94PeteqIsraelMt. Sedom-0.32652400Atlas Great Caves of the World6/17/2022
95Toroton Cave (Salty Bedrock)KenyaGreat Rift ValleyMt.Susua0.31150000Atlas of the Great Caves and Karst of Africa Part 1 P1436/17/2022
96Konus CaveIsrael--0.30148500Boaz Langford e-mail4/19/2022
97QolnoaIsraelMt. Sedom-0.28746200Atlas Great Caves of the World6/17/2022
98Hanit CaveIsrael--0.26542600Boaz Langford e-mail4/19/2022
99Zanav-Michnasim CaveIsrael--0.22135500Boaz Langford e-mail4/19/2022
100Wolf Den CaveU.S.A.LouisianaNatchitoches Parish0.0152300Map on FB10/20/2022
TALUS & BOULDER & GRANITE CAVES
101T.S.O.D. Cave (Talus,Anorthosite) U.S.A.New YorkEssex2.472397800Atlas - Great Caves of the World6/16/2022
102Bodagrottorna (Boulder/Granite)SwedenGävleborgIggesund1.636263300Rabbe Sjoberg e-mail8/16/2022
103Bear Gulch CaveU.S.A.CaliforniaSan Bnito1.09175415647.5Bruce Rogers e-mail5/16/2022
104Bat Cave (Gneiss)U.S.A.North CarolinaRutherford1.053169500Atlas - Great Caves of the World6/16/2022
105M.B.D.A.T.H.S. Cave (Talus,Granite) U.S.A.New HampshireGrafton1.004161600Atlas - Great Caves of the World6/16/2022
106A Trapa Cave (Granite)SpainGaliciaPontevedra0.864139030894Marcos Vaqueiro e-mail9/16/2022
107Hölickgrottan (Granite)SwedenGävleborgHornslandet0.833134000Rabbe Sjoberg e-mail8/16/2022
108Hurricane Cave (Granite Boulder/Talus)U.S.A.ColoradoTeller0.7331180553168.6Cascade Caver V35N6P456/1/2022
109Gobholo CaveSwazilandMbabaneHhoho0.683109920362Manuela S. Scheuerer e-mail1/16/2022
110Millerton Lake Cave (Granite Boulder)U.S.A.California-0.6551054338103Bob Richards2/15/2022
111Greenhorn System (Boulder Cave)U.S.A.CaliforniaKern0.594956497151.5NSS News V44N4P884/1/2022
112O Folon Cave (Granite)SpainGaliciaPontevedra0.56290511234Marcos Vaqueiro e-mail9/16/2022
113Almekärrgrytet (Granite)SwedenJönköpingMisterhult0.37961000Rabbe Sjoberg e-mail8/16/2022
114Örnnästet (Gneiss)SwedenGävleborgIggesund0.32352000Rabbe Sjoberg e-mail8/16/2022
115Strängbergsgrottan (Granite)SwedenJämtlandGallo0.31751000Rabbe Sjoberg e-mail8/16/2022
116Albarellos Cave System (Granite)SpainGaliciaPontevedra0.3115009830Marcos Vaqueiro e-mail9/16/2022
117Danzuriyaa Cave (Basalt)EthiopiaDebreMarkos area0.2845000Atlas of the Great Caves and Karst of Africa Part 1 P1126/17/2022
118Gillberga Gryt (Granite)SwedenUppsalaÖsthammar0.2845000Rabbe Sjoberg e-mail8/16/2022
119Stora Trängbergsgrottan (Granite?)SwedenVästmanlandKöping0.2337000Rabbe Sjoberg e-mail8/16/2022
120Östra KlövbergsgrottanSwedenSödermanland-0.22536200Rabbe Sjoberg e-mail1/16/2022
121FrugrottanSwedenSödermanland-0.19932100Rabbe Sjoberg e-mail1/16/2022
122Wind CaveU.S.A.PennsylvaniaLancaster0.1993204513.7FB Map2/21/2022
123TöllsjögrottanSwedenSödermanland-0.18630000Rabbe Sjoberg e-mail1/16/2022
124Grotte du Marchè (Schist)GuineaFouta-Djallon-0.15525000Atlas of the Great Caves and Karst of Africa Part 1 P1346/17/2022
125Lower Millerton Lake Cave (Granite Boulder)U.S.A.California-0.1552498726.5Bob Richards2/15/2022
126Three Sisters CaveU.S.A.VirginiaArlington0.11618761.8Ed Devine5/16/2022
127A Furma (Granite)Portugal-Minho-Lima0.109176--Marcos Vaqueiro e-mail9/16/2022
128Ogba Odoru (Schist)NigeriaAdu-AchiOji River0.093150--Atlas of the Great Caves and Karst of Africa Part 2 P2556/17/2022
129Adeghas Cave System (Granite0SpainGaliciaPontevedra0.0931506620Marcos Vaqueiro e-mail9/16/2022
130A Touba do Brion Cobreiras Talus (Granite)SpainGaliciaPontevedra0.0931505918Marcos Vaqueiro e-mail9/16/2022
131Grotte de Bourdout Oumou (Schist)Chad--0.071115--Atlas of the Great Caves and Karst of Africa Part 1 P646/17/2022
132Kellys Knob 67U.S.A.VirginiaCraig0.03252195.8Bill Koerschner e-mail5/21/2022
133Grotte de Kom ZollèCentral Afr. Rep.--0.03150--Atlas of the Great Caves and Karst of Africa Part 1 P646/17/2022
134Kellys Knob 63U.S.A.VirginiaCraig0.02845185.5Bill Koerschner e-mail5/21/2022