Most visitors come to Mulu for the caves, but there are also good jungle and mountain trekking options in the area. Guides are obligatory for all cave visits and most treks.
trekking
Paku Waterfall
Camp 5 and The Pinnacles
The Summit
A challenging 4-day, 3-night climb to the top of Mt. Mulu itself.
canopy skywalk
With its 480m of elevated walkway, Mulu's Canopy Skywalk is the world's longest tree based canopy walk.