What to take
To trek in the region you will need to take almost all food (which can be purchased in Dekai) and camping equipment with you. Beyond Mabul there is no trekking infrastructure at all, so everything needs to be planned and prepared, expedition-style. Anti-malarials (e.g. malarone), a small water purifier, antibiotics (cuts get infected easily and are slow to heal) and insect spray are essential. The best footwear is probably a good quality pair of jungle boots e.g. Wellcos.