| Ban Rai Rock Shelter |
MH0007 |
80 m |
| Australian expedition |
1986 |
Grade UISv2 2-3-A |
| Big Knob Cave |
MH0324 |
70 m/-20 m |
| Pang Ma Pha Cave Project |
1999 |
Grade UISv2 4-3-F |
| Bor Nam Phi |
MH0017 |
375 m/-130 m |
| SSAPO |
1991 |
Grade UISv2 4-3-A |
| Coffin Cave MH0022 |
MH0022 |
10 m |
| Australian expedition |
1986 |
Grade UISv2 2-2-A |
| Coffin Cave MH0052 |
MH0052 |
25 m |
| Australian expedition |
1986 |
Grade UISv2 2-2-A |
| Ha Ko |
MH0011 |
172 m |
| Australian expedition |
1984 |
Grade UISv2 2-3-A |
| Hua Lao Butagaz |
MH0088 |
10 m / -10 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Hua Lao Hara Kiri |
MH0015 |
12 m / -12 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Hua Lao Kut Sam Sip |
MH0090 |
45 m / -40 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Long Snake System |
MH0065 |
8,654 m / -61 m |
| Australian expeditons/NEUA 2023 |
1990/2023 |
Grade UISv2 6-3-F/4-3-A |
| Mae Lana Crystal Cave |
MH0051 |
556 m / -75 m |
| Pang Ma Pha Cave Project |
1999 |
Grade UISv2 4-3-A |
| Nam Lang Old Sink |
MH0247 |
454 m / -57 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-BEF |
| Nam Lang Sinkhole 1 |
MH0409 |
394 m / -92 m |
| NEUA23 |
2023 |
Grade UISv2 6-3-F |
| Pha Mon Coffin Cave |
MH0005 |
90 m |
| Australian expedition |
1986 |
Grade UISv2 1-1-A |
| Short Snake Cave |
MH0162 |
456 m / -47 m |
| NEUA24 |
2024 |
Grade UISv2 6-3-F |
| Spirit Cave (Chester Gorman) |
MH0064 |
70 m / -2 m |
| C. Gorman |
1966 |
Grade UISv2 0 |
| Tham Ban Luk Khao Lam |
MH0016 |
485 m / -113 m |
| D. Smart et al. |
1993 |
Grade UISv2 3-3-A |
| Tham Ban Jabo |
MH0053 |
100 m / -10 m |
| APS |
1985 |
Grade UISv2 3-3-A |
| Tham Ban Tham North |
MH0034 |
20 m |
| APS |
1985 |
Grade UISv2 3-3-A |
| Tham Bendit 1 |
MH0012 |
100 m / -6 m |
| APS |
1986 |
Grade UISv2 3-3-A |
| Tham Bua |
MH0068 |
30 m |
| Australian expeditons |
1986 |
Grade UISv2 2-2-A |
| Tham Cha Row Tae De |
MH0297 |
|
| A. Seveau |
Date unknown |
Grade UISv2 0 |
| Tham Fossil |
MH0193 |
671 m / -40 m |
| D. Smart & J. Geeson/Shepton Mallet Caving Club |
1995/2026 |
Grade UISv2 6-3-E/4-3-F |
| Tham Fossil - Beng-beng Passage |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-EF |
| Tham Hoi |
MH0415 |
350 m / -43 m |
| NEUA24 |
2024 |
Grade UISv2 6-3-F |
| Tham Huai Hung 1 |
MH0102 |
81 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Tham Huai Hung 2 |
MH0103 |
50 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Tham Huai Kut Pba Teung |
MH0220 |
278 m / -108 m |
| Smart et al. |
1993 |
Grade UISv2 4-3-A |
| Tham Huai Pu |
MH0294 |
|
| A. Seveau |
Date unknown |
Grade UISv2 0 |
| Tham Huai Rai |
MH0020 |
322 m / -16 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-EF |
| Tham Hued/Tham Christmas |
MH0033 |
1,840 m / -53 m |
| APS/MdG/M. Foakes |
1985-1988/1998 |
Grade UISv2 4-3-A/2-1-A |
| Tham Ie |
MH0031 |
100 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Tham Ini |
MH0038 |
10 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Tham Jak Dtor |
MH0174 |
783 m / -65 m |
| APS |
1987 |
Grade UISv2 4-3-A |
| Tham Kaeo Komon |
MH0243 |
120 m / -33 m |
| Surveyor unknown |
Date unknown |
Grade UISv2 0 |
| Tham Khem Muang |
MH0235 |
130 m/-54 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-EF |
| Tham Ko Koa |
MH0295 |
|
| A. Seveau |
Date unknown |
Grade UISv2 0 |
| Tham Kut Sam Sip |
MH0089 |
100 m / -30 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Tham Lod |
MH0001 |
1,666 m / -20 m |
| Surveyor unknown |
Date unknown |
Grade UISv2 4-3-F |
| Tham Long Yaow |
MH0019 |
1,528 m/-30 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-BEF |
| Tham Mae Lana |
MH0042 |
12,720 m / -150 m |
| Australian expeditions |
1986-1992 |
Grade UISv2 2-1-A/4-3-A |
| Tham Mae Ngae |
MH0179 |
45 m |
| A. Seveau |
Date unknown |
Grade UISv2 0 |
| Tham Mae Un Pi |
MH0299 |
15 m |
| A. Seveau |
Date unknown |
Grade UISv2 0 |
| Tham Mae Tum |
MH0252 |
600 m |
| Gruppo Speleologico Opitergino CAI Oderzo |
1992 |
Grade UISv2 0 |
| Tham Mae Umong |
MH0374 |
110 m |
| Pang Ma Pha Cave Project |
1999 |
Grade UISv2 4-3-A |
| Tham Makeang |
MH0067 |
250 m / -150 m |
| D. Smart |
1993 |
Grade UISv2 2-2-A |
| Tham Nam Bor Suksit |
MH0110 |
150 m |
| A. Seveau & S. Paggasa |
Date unknown |
Grade UISv2 0 |
| Tham Nam Hu |
MH0010 |
1,201 m / -31 m |
| Pang Ma Pha Cave Project |
1999 |
Grade UISv2 4-3-A |
| Tham Nam Hu |
MH0246 |
410 m / -10 m |
| APS |
1986-1988 |
Grade UISv2 4-3-A |
| Tham Nam Lang |
MH0057 |
8,950 m / -110 m |
| Australian expeditons/D. Smart et al. |
1984-1986/1993 |
Grade UISv2 2-1-A/1-1-A |
| Tham Nam Rin 1 |
MH0014 |
178 m/-33 m |
| Pang Ma Pha Cave Project |
1999 |
Grade UISv2 4-3-F |
| Tham Nam Tok |
MH0048 |
1.405 m |
| Australian expeditons |
1988 |
Grade UISv2 0 |
| Tham Nok Si Fa |
MH0419 |
509 m / -93 m |
| NEUA24 |
2024 |
Grade UISv2 6-3-F |
| Tham Om Pai |
MH0251 |
90 m |
| Gruppo Speleologico Opitergino CAI Oderzo |
1992 |
Grade UISv2 0 |
| Tham Pakarang |
MH0045 |
1,741 m / -163 m |
| Midlands Cave Rescue Organisation/Shepton Mallet Caving Club/Australian expeditions |
1988-1990/2019 |
Grade UISv2 6-3-BEF/3-2-A |
| Tham Pang Kham |
MH0074 |
1,370 m / -75 m |
| Surveyor unknown |
Date unknown |
Grade UISv2 0 |
| Tham Pba Wai |
MH0443 |
759 m / -94 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-EF |
| Tham Pha Daeng (MH0066) |
MH0066 |
1,323 m / -22 m |
| Australian expeditons |
1988 |
Grade UISv2 4-3-A |
| Tham Pha Daeng (MH0099) |
MH0099 |
1,806 m / -15 m |
| APS |
1986-1987 |
Grade UISv2 4-3-A |
| Tham Pha Daeng (MH0298) |
MH0298 |
200 m / -60 m |
| A. Seveau |
Date unknown |
Grade UISv2 0 |
| Tham Pha Mon |
MH0004 |
4,050 m / -108 m |
| APS |
1985 |
Grade UISv2 4-3-5 |
| Tham Pha Nam Lang |
MH0058 |
20 m |
| Australian expeditons |
1986 |
Grade UISv2 2-2-A |
| Tham Pha Phuek |
MH0076 |
973 m / -246 m |
| NEUA 2024 |
2024 |
Grade UISv2 6-3-F |
| Tham Pha Phuek Noi |
MH0420 |
211 m / -77 m |
| NEUA24 |
2024 |
Grade UISv2 6-3-F |
| Tham Phet |
MH0266 |
332 m / -45 m |
| Midlands Cave Rescue Organisation |
2019 |
Grade UISv2 6-3-BF |
| Tham Phra (Muang Phaem) |
MH0021 |
417 m/-10 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-F |
| Tham Pi |
MH0030 |
30 m |
| APS |
1985 |
Grade UISv2 2-2-A |
| Tham Pi Man Ban Ya Pa Nae 1 |
MH0056 |
50 m/-14 m |
| A. Sorn-Ek |
1997 |
Grade UISv2 4-3-A |
| Tham Pi Man Bor Krai |
MH0217 |
58 m/-13 m |
| A. Sorn-Ek |
1997 |
Grade UISv2 4-3-A |
| Tham Pi Man Lang Jan |
MH0039 |
156 m/-6 m |
| Midlands Cave Rescue Organisation |
2019 |
Grade UISv2 6-3-F |
| Tham Pi Man Loong Long Yak |
MH0264 |
50 m |
| Highland Archaeology Project |
2013-2015 |
Grade UISv2 0 |
| Tham Pi Man Pang Kham East |
MH0268 |
|
| Surveyor unknown |
Date unknown |
Grade UISv2 0 |
| Tham Pi Man Pang Kham West |
MH0078 |
200 m |
| Australian expedition |
1986 |
Grade UISv2 4-3-A |
| Tham Pho So |
MH0288 |
|
| A. Seveau & C. Winayalai |
Date unknown |
Grade UISv2 0 |
| Tham Scarecrow |
MH0417 |
110 m / -40 m |
| NEUA24 |
2024 |
Grade UISv2 6-3-F |
| Tham Sua-Tham Lom System |
MH0061 |
3,631 m / -181 m |
| D. Smart et al./Shepton Mallet Caving Club |
1993/2026 |
Grade UISv2 4-3-A/6-3-EF |
| Upper Tham Lom and Tham Lom - plan |
Upper Tham Lom - elevation |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-EF |
| Tham Susa |
MH0059 |
2,646 m |
| Australian expeditons |
1985-1990 |
Grade UISv2 2-1-A |
| Tham Tao |
MH0262 |
369 m / -16 m |
| Shepton Mallet Caving Club |
2026 |
Grade UISv2 6-3-BEF |
| Tham Yin Lee Nan Nam |
MH0230 |
250 m/-150 m |
| D. Smart |
1993 |
Grade UISv2 1-1-A |
| Upper Tham Pha Mon |
MH0040 |
90 m / -15 m |
| APS |
1985 |
Grade UISv2 2-2-A |
