Known as "The Green Jewel of Brunei," Ulu Temburong National Park protects roughly 550 square kilometers of untouched primary rainforest, among the most pristine in Borneo. Access is tightly restricted, helping preserve its exceptional biodiversity.
Record no. MRB-2026-006522
Ulu Temburong National Park, Pristine Primary Rainforest
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.