Son Doong Cave Expedition
Vietnam · Asia · Technical trek · score 82/100
At a glance
| Countries | Vietnam |
|---|---|
| Continent | Asia |
| Region | Quang Binh (Phong Nha-Ke Bang NP) |
| Type | Technical trek |
| Length | 25 km |
| Typical duration | 4-6 days |
| Difficulty | 4/5 (Hard) |
| Max altitude | 800 m |
| Best season | Jan-Aug (closed rainy season) |
| Start | Phong Nha |
| End | Son Doong - Chay Lap |
| Permit / guide | yes - mandatory Oxalis expedition (only licensed operator) |
| Special gear | harness, ropes, ladders (provided); caving gear |
Score
82/100
World's largest cave with jungle dolines and the Great Wall climb; a genuine once-in-a-lifetime expedition
How the score works: scoring method. Information confidence: high.
Notes
17 km jungle trekking plus 8 km caving; Oxalis program now 6D5N (earlier 4D3N); 90 m Great Wall of Vietnam exit climb; max altitude approximate
Sources
Information compiled from public sources, as of October 19, 2026. Trail conditions, permits and closures change: verify with local authorities before you go.
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