Belum Temenggor Rainforest located in Perak, Malaysia is the world's oldest and largest rainforest. It borders Thailand to its north and Kelantan in Malaysia to its east. Thriving for 130 million years, it is divided into two sections - Belum is located on the Malaysia-Thailand border while Temenggor is located south of Belum. The Royal Belum State Park lies entirely in Belum Temenggor Rainforest. A tour to Belum Temenggor includes hiking, rafflesia excursions and exploring Orang Asli village.
Belum Temenggor is a haven for the birdwatchers housing all of 10 of Malaysia's hornbills. The best time to spot these hornbills is August and September. To spot migratory birds, visit during October and November. Butterfly spotting is best experienced in April, May and November.
Permit : Permits and guides are required to visit protected areas in the rainforest
A permit and guide are needed to explore Royal Belum State Park (RM 20 for permit)
Need to Know : Mammal sightings are rare here, even with a guide.
Beware of guides that promise rafflesia sightings as these flowers are hard to find and bloom only for a few days.