The short answer
- Ideal stay
- 2 nights
- Best months
- March to August
- Son Doong
- Oxalis only, about US$3,000
- Nearest airport
- Dong Hoi
Phong Nha Ke Bang National Park, a UNESCO World Heritage Site in central Vietnam, protects one of the largest limestone cave systems in the world. You can visit some caves on an easy half day, while others require serious expeditions.
Caves compared
| Cave | How you visit | Effort | Time |
|---|---|---|---|
| Paradise Cave | Wooden walkway through huge chambers | Easy, many steps | Half day |
| Phong Nha Cave | Boat along an underground river | Easy | Half day |
| Dark Cave | Zipline, swim and mud bath | Moderate | Half day |
| Hang En | Jungle trek and camp in the cave | Hard | 2 days |
| Son Doong | Expedition with ropes and river crossings | Very hard | About 4 days in the cave and jungle |
Son Doong: what you need to know
- The only licensed operator is Oxalis Adventure; the expedition costs about US$3,000 per person.
- Places are strictly limited and sell out many months ahead.
- Expeditions run in the dry season, roughly January to August.
- You need a high level of fitness, with long days of trekking and climbing on rough ground.
Tip: If Son Doong is out of reach, the two day Hang En trek gives a taste of camping inside a giant cave.
When to go and getting there
March to August is the main season. From September to December heavy rain and floods can close caves and boat trips. Fly to Dong Hoi from Hanoi or Ho Chi Minh City, or travel by road or train from Hue in about 3.5 to 4 hours. Two nights near the park is ideal.
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Frequently asked questions
Can anyone visit Son Doong?
Only on an expedition with the licensed operator, Oxalis Adventure. Places are limited, cost about US$3,000 and require a high level of fitness.
Which Phong Nha cave is best for a short visit?
Paradise Cave, with its walkway through enormous chambers, combined with a boat trip into Phong Nha Cave.
Sources we checked
Vietnam month by month
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