Son Doong Cave

Dave Bunnell · CC BY-SA 4.0

The largest natural cave in the world, a universe of its own with primeval forest and clouds drifting underground.

Son Doong is like nowhere else on Earth. Within its colossal chamber lies an entire primeval forest, a flowing river, clouds that form and dissolve, and skylights that pour down shafts of magical light. Standing beneath a vault nearly 200m high, a person is but a tiny dot amid one of nature's grandest wonders. Exploring Son Doong is a true adventure, reserved for those who long to touch the extraordinary.

Visitor information

When is the best time to visit Son Doong Cave?

January–August, outside the flood season

How much does it cost to visit Son Doong Cave?

Tours from 70 million VND

How long do you need at Son Doong Cave?

4-day, 3-night tour

What are the opening hours of Son Doong Cave?

By tour schedule

Did you know

The largest natural cave in the world, discovered in 1990 and surveyed in 2009.
Its vault reaches nearly 200m high in places — tall enough to hold a skyscraper.
Inside lies a primeval forest with its own distinct ecosystem.

Travel tips

Accessible only via a licensed expedition tour, booked many months in advance.
Good physical fitness is required for the multi-day trekking journey.

Source: https://vi.wikipedia.org/wiki/Hang_S%C6%A1n_%C4%90o%C3%B2ng

Updated: 2026-08-06