Hang Sơn Đoòng
Hang Sơn Đoòng is a cave and show cave located in Quảng Bình, Vietnam, at an elevation of 390 m. It ranks as the 4th most looked-up sight in the country on English Wikipedia among 29 sights of the country on this site. Visiting requires a fee of USD3,000 per person.
Planning a visit
January and February have daily highs of 20 °C to 22 °C and lows of 14 °C to 16 °C, with rain between 53 mm and 58 mm on about 9 to 13 days. September and October have highs of 25 °C to 27 °C and lows of 20 °C to 21 °C, with heavier rain between 452 mm and 599 mm on about 25 days.
The nearest airport is Dong Hoi Airport in Dong Hoi, Vietnam, located 33 km away. The sight is 399 km from Hanoi. Hin Namno National Park is nearby at a distance of 37.6 km.
Weather by month
The warmest month is June, with an average high of 29 °C. The wettest is October, with about 599 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 20 | 23 | 26 | 28 | 29 | 29 | 29 | 29 | 27 | 25 | 22 | 20 |
| Average low, °C | 14 | 16 | 18 | 21 | 22 | 23 | 23 | 23 | 21 | 20 | 17 | 15 |
| Rainfall, mm | 58 | 53 | 54 | 101 | 191 | 154 | 170 | 284 | 452 | 599 | 263 | 107 |
| Rainy days | 13 | 9 | 10 | 12 | 20 | 17 | 23 | 25 | 25 | 25 | 21 | 17 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
