Malaysia sits astride one of the great biological treasure houses of the world. Its rainforests are not young: parts of them have been growing continuously for around 130 million years, meaning the trees, ferns and forest floor here were already ancient when dinosaurs still walked the earth. Unlike the forests of Europe or North America, which were scraped bare by ice ages, Malaysia's tropical jungle was never frozen. It simply kept evolving, generation after generation, into one of the richest ecosystems humans have ever documented.
Taman Negara: a living museum 130 million years old
If you visit only one rainforest in Malaysia, make it Taman Negara. Spread across the states of Pahang, Kelantan and Terengganu on the peninsula, this national park protects a forest so old it predates the Amazon and the Congo. Walking beneath its towering dipterocarp trees, some rising more than 60 metres, is a humbling experience.
The park's most famous attraction is its canopy walkway, one of the longest suspended forest walkways in the world, stretching around 500 metres and swaying gently some 40 metres above the ground. From up there, level with the treetops, you look out over an unbroken green ocean of foliage and hear the layered calls of cicadas, hornbills and unseen creatures.
Taman Negara is best explored slowly. Longboats carry visitors up the Tembeling River, past riverside villages and curtains of jungle that lean over the water. Night safaris reveal a completely different forest: leopard cats, mouse deer, tarantulas, luminous fungi and the reflective eyes of animals caught in torchlight. Limestone caves such as Gua Telinga can be crawled through, home to bats and cave racer snakes, while multi-day treks lead to Gunung Tahan, the highest peak of Peninsular Malaysia.
Belum-Temengor and the largest flower on Earth
In the far north of Perak lies the Royal Belum State Park, part of the vast Belum-Temengor forest complex that stretches across the border toward Thailand. This is one of the oldest rainforests on the planet and one of the few places where you have a real chance of seeing the Rafflesia in bloom, the largest single flower in the world, which can reach nearly a metre across. It has no leaves, stems or roots of its own; it lives as a parasite and, when it opens, emits the smell of rotting meat to attract pollinating flies.
Belum-Temengor shelters all ten of Malaysia's hornbill species and a genuine population of large mammals, including tigers, elephants and tapirs. Boat trips across the man-made Temengor Lake, dotted with drowned islands, are the classic way to enter the forest and reach salt licks where wildlife gathers.
Endau-Rompin and the peninsula's hidden south
Straddling the border of Johor and Pahang, Endau-Rompin is a lesser-known park of waterfalls, fan palms and clear rivers. It preserves a distinctive lowland forest and remnant populations of the Sumatran rhinoceros historically, along with elephants and gibbons. For travellers who want to avoid crowds, it offers wild trekking and riverside camping far from the tourist trail.
Borneo: the Kinabatangan and the wild heart of Sabah
Across the South China Sea, Malaysian Borneo raises the stakes. The Kinabatangan River in Sabah is one of the finest wildlife-watching destinations in all of Asia. As palm plantations pressed in around it, the remaining riverside forest became a corridor where animals concentrate, making sightings unusually reliable.
- Wild orangutans swinging through riverside trees at dawn
- Proboscis monkeys, found nowhere else on Earth, with their extraordinary noses
- Pygmy elephants, the smallest elephants in the world, wading and feeding along the banks
- Hornbills, crocodiles, kingfishers and, with luck, the rare clouded leopard
Sabah and Sarawak also protect world-class parks such as Gunung Mulu, with its immense caves, and the slopes of Mount Kinabalu, Malaysia's highest mountain.
Biodiversity and the people of the forest
Malaysia's jungles are home to the critically endangered Malayan tiger, the Asian elephant, the Malayan tapir with its striking black-and-white pattern, sun bears, and several species of gibbon whose haunting dawn songs carry for kilometres. The forests are equally the ancestral home of the Orang Asli, the indigenous peoples of the peninsula, whose knowledge of medicinal plants, hunting and forest life stretches back thousands of years. Responsible visits to Orang Asli communities, arranged through proper guides, offer a window into a way of living in balance with the jungle.
A forest under pressure
These wonders are not guaranteed to survive. The expansion of oil palm plantations and logging has fragmented the lowland rainforest, squeezing wildlife into ever-smaller pockets. Ecotourism, when done well, gives these forests economic value while they stand, funding rangers, local guides and conservation. Choosing certified lodges, hiring local guides and keeping to marked trails are small choices that help keep Malaysia's ancient jungle alive for the next 130 million years.