These cave is major cave for horizontal caving.
When you goes into each cave, an administrator's or land owner's permission or notification is necessary.
And, there cave haveshort pits of about 10m in some of the caves.
| Name | Town or city | Prefecture | Size | Note |
|---|---|---|---|---|
| Sugawatari do | Iwaizumi-tyo | Iwate | More than 3000m | The danger of the flood |
| Airahachirou no ana | Iwaizumi-tyo | Iwate | Under 1000m | |
| Momonoki do | Iwaizumi-tyo | Iwate | More than 1000m | The danger of the siphon |
| Fusa do | Kawasaki-mura | Iwate | More than 1000m | |
| O ana | Kashima-tyo | Fukushima | More than 2000m | |
| Irimizu syounyudo | Takine-tyo | Fukushima | About 1000m | |
| Takamatsusawa no ana | Kuzuu-tyo | Tochigi | Under 1000m | |
| Ishibunasawa syounyudo | Otaki-mura | saitama | Under 1000m | |
| Ryuugashi do Nigou do | Hamamatsu city | Shizuoka | Under 1000m | |
| Shin ana | Toyohashi city | Aichi | Under 1000m | |
| Sango do | Miyama-tyo | Gifu | Under 1000m | |
| Kawachi no kazaana | Taga-tyo | Shiga | More than 3000m | A way is very easy to lost. |
| Syurei no mizuana | Ise city | Mie | Under 1000m | |
| Himesaka kanachi | Niimi city | Okayama | More than 1000m | The danger of the siphon |
| Ushioigoya no ana | Niimi city | Okayama | About 1000m | |
| Uyama do | Niimi city | Okayama | About 1000m | |
| Tsuchihashi no ana | Niimi city | Okayama | Under 1000m | |
| Iwaya no ana | Hokubo-tyo | Okayama | More than 1000m | |
| Kagekiyo do | Mito-tyo | Yamaguchi | More than 1000m | |
| Sishidedai no ana | Mito-tyo | Yamaguchi | Under 1000m | |
| Sango ana | Mito-tyo | Yamaguchi | Under 1000m | |
| Akiyoshi do | Syuho-tyo | Yamaguchi | More than 8000m | An dryn cave is about 1000m. |
| Himeyama-no ana | Syuho-tyo | Yamaguchi | Under 1000m | |
| Rakan ana | Nomura-tyo | Ehime | Under 1000m | |
| Kuroiwa do | Mikawa-mura | Yamaguchi | Under 1000m | |
| Kuwo-no kazaana | Tosayama-mura | Kochi | Under 1000m | |
| Saruta do | Kochi | Under 1000m | ||
| Ryuga do | Tosayamada-tyo | Kochi | More than 2000m | |
| Mejiro do | Kita-kyusyu city | Fukuoka | More than 2000m | |
| Seiryu kutu | kanda-tyo | Fukuoka | About 2000m | |
| Raijin do | Kita-kyusyu city | Fukuoka | Under 1000m | |
| Fudo do | Yukuhashi city | Fukuoka | About 1000m | |
| Mizunashi syounyudo | Maebara city | Fukuoka | More than 1000m | |
| Nakatou do | Shiiba-mura | Miyazaki | More than 2000m | |
| Tuzurase do | Itsuki-mura | Kumamoto | More than 1000m | |
| Ingama go | Wadomari-tyo | Kagoshima | More than 1000m | |
| Ooyama kotobuki do | China-tyo | Kagoshima | More than 2000m | |
| Syoryu do jou do | China-tyo | Kagoshima | More than 1000m | |
| Syoryu do ge do | China-tyo | Kagoshima | More than 1000m | |
| Ginsui do | China-tyo | Kagoshima | More than 2000m | |
| Gyokusen do | Tamagusuku-mura | Okinawa | More than 4000m | |
| Yaji gama | Tamagusuku-mura | Okinawa | More than 1000m | |
| Todoroki go | Ginowan city | Okinawa | More than 2000m | |
| Kura ga | Gushikawa city | Okinawa | About 1000m |