January is one of the best months to visit Phong Nha-Ke Bang National Park — cool, dry conditions make cave exploration comfortable, and the national park’s jungle trails are at their most navigable. All major caves are fully open and accessible. For where to stay and how to get there, see our full Phong Nha guide.
Weather in Phong Nha in January
- Temperature: 16–23°C (61–73°F)
- Humidity: 90%
- Rainfall: 44% chance of rain; ~5.4 mm avg
- Daylight: 11.2 hours
- Caves: All open — Phong Nha, Paradise Cave, Tu Lan all accessible
Best Caves to Visit in January
- Phong Nha Cave: Boat tour into one of Vietnam’s most spectacular river caves
- Paradise Cave (Thien Duong): 31km cave system — one of the world’s longest
- Dark Cave (Hang Toi): Zip line, kayak, and mud bath adventure
- Tu Lan Cave system: Multi-day trekking and wild camping
- Phong Nha-Ke Bang National Park: Jungle trekking on dry trails
To see how these compare with caves elsewhere in the country, read our guide to Vietnam’s best caves.
Costs in January (2026)
Ticket prices at Phong Nha-Ke Bang haven’t changed much recently, but check the board at each entrance before you pay.
- Phong Nha Cave: 150,000 VND (about 6 USD), plus 55,000 VND (about 2 USD) per person for the river boat, which you can split as a group
- Paradise Cave: 250,000 VND (about 10 USD). The electric buggy from the car park costs 60,000 VND return, or you can walk the 1.5 km uphill
- Dark Cave: 350,000 VND (about 14 USD) including zipline, kayak and mud bath, booked through an authorized operator
January sits at the tail end of the wet season. Caves can close for a day or two after heavy rain, so keep one buffer day in your plans.
Phong Nha in January: Practical Tips
- Pack layers — cave interiors are cool and the evenings are cold
- Book Tu Lan and multi-day cave expeditions early — limited daily visitor quotas
- January is one of the most popular months — book accommodations in advance
- Public holidays: New Year’s Day (January 1).
- Crowds: January is a popular month — book accommodation in advance.
- Cave boat tours split costs among groups — coordinate with other travellers at the boat station to reduce per-person fares.
Heading south next? Hue in January is the usual next stop, and Vietnam in January covers the rest of the country.
FAQ
Is January a good time to visit Phong Nha?
Yes. The heaviest rain is over, it’s cool at 16–23°C, and the main caves are open. Expect light drizzle and some grey days.
Is it too cold for Dark Cave in January?
The air is mild, but the water and mud are cold. Bring a towel and a warm layer for afterward.
How many days do I need in Phong Nha?
Two full days covers Phong Nha Cave, Paradise Cave and Dark Cave. Add a third if you want a buffer for rain.
Can I visit Son Doong in January?
Son Doong expeditions run in the dry months and sell out far ahead. Check with Oxalis directly rather than assuming January is open.
Tours & activities in Phong Nha
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