Maliau Basin Introduction: Maliau Basin, located in the south-central part of Sabah, covers an area of ​​588.4 square kilometers. The basin produces 12 rare forest species, including towering Agathis trees, rare mountain heath forests and tangerines growing in lowlands and hillsides. Jieluo fragrant wood species. The highlight of the adventure is the majestic Seven-tiered Maliau Falls, which can only be seen after an arduous trek.