Sarawak Chamber
The Sarawak Chamber is the largest known underground chamber in the world, measuring 600m long, 415m wide, and 80m high. It is estimated that it can house 8 Boeing 747s in row! Visiting the Sarawak Chamber requires a challenging full day activity of adventure caving, this is a once in a lifetime experience.
Adventure rating
5 - Both the Pinnacles climb and Adventure Caving is awesome fun and physically challenging.