It originated in the 1920s on heavily degraded land due to tin mining and agriculture.
Scientists planted native tree species, allowing it to develop into a mature rainforest with more than 2,500 tree species.
It is the oldest and largest restored tropical rainforest in the world and an important research center for sustainable forestry (established in 1926, now a government institution).
In July 2025, it was granted UNESCO World Heritage status (criteria iv) as a pioneer in large-scale forest restoration.
Visitor highlights: Kepong Botanic Gardens with arboretums, gardens, and walking paths.
Forest Skywalk (canopy walkway) for views over the forest.
Nature trails, waterfalls, mountain biking, and educational activities.
More than 500,000 visitors per year; reservations often required.
FRIM is a perfect combination of science, conservation, and ecotourism, just 16 km from Kuala Lumpur.
It shows how devastated land can become a living ecosystem again.


































