By season / June – August
Hot days, cool caves
Cloud seas, peak seasonFlood seasonFestivals, summer
June – August
Hot days, cool caves
It is hot outside, but the caves and streams stay cool. The best season for underground river swims at Tú Làn and Rục Mòn and the blue pool at the cave mouth.
- EventTân Hóa Village Fest during National Tourism Year – Quảng Trị 2027 (planned for June 2027): hot-air balloons over the valley, folk games with villagers
- DoCaving with swims, stream bathing, kayaking the Rào Nan
- NoteBook cave tours early; bring a hat, sunscreen and water
June – August
Where to go this season
Tân HóaTú Làn cave system
25+ surveyed caves. Wade rivers and swim underground; Rat Cave was a Kong: Skull Island set. Licensed tours only.
Read more →Yên PhúRục Mòn cave
About 2.9 km, ceilings over 50 m, one branch to swim and one packed with formations.
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Tân HóaTân Hóa Floating Village
Vietnam's floating village of the Nguồn people, a UN Tourism Best Tourism Village 2023. Sleep in a floating house, cycle the Rào Nan.
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