VIET NAM CAVES EXPLORATION
Documenting thirty-five years of continuous exploration in the oldest limestone regions of Southeast Asia.
1990 — 1995
Unlocking the Gates
Phong Nha , Toi, Tra Ang, Ruc Mon, Rat Cave
1996 — 2000
Remote Area Surveys
Hang Ho, Hang Over, Pygmy, Khe Ry, Khe Trieng
2001 — 2005
Deep Jungle Mapping
Hang Lanh, Nuoc Nut, Cha Rao, Nuoc Lan
2006 — 2010
The Son Doong Era
Son Doong, Hang Ken, Tu Lan, Nightmare
2011 — 2015
Intensive Mapping
Hang Va, Hang Kim, Hung Ton, Khe Cung
2016 — 2020
Deep Water Missions
Ruc Ma Rinh, Hoa Huong, Hang Soong, Ken Dry
2021 — 2025
New Frontiers
Hang Pha, Tru 1, Len Phung, Doi Trieng
Current
Active Surveys
Speleological work in progress 2026 onwards
Exploration History
Preserving Our Heritage
Viet Nam Caves Exploration is a digital database maintained by international speleologists and local experts. Our mission is to safeguard the technical data, historical mapping, and survey history of one of the world's most significant geological regions.
By providing a centralised platform of surveyed passage lengths and geological findings, we support ongoing research and conservation efforts across Quang Tri province.