Inside Malaysia’s ancient rainforests: 7 parks to explore

Malaysia’s rainforests are older than the Amazon. Some date back more than 130 million years. That is tens of millions of years before the Amazon rainforest existed. Still, they have outlasted ice ages, shifting continents and mass extinctions.

This World Rainforest Day lines up with Visit Malaysia Year 2026’s push for high-value ecotourism. Bus booking platform redBus has mapped seven of these ancient forests. Every one of them is reachable by public bus.

Each park offers something different. Penang has a tiny reserve by the sea. Meanwhile, Sabah has wild orangutans deep in Borneo’s jungle. Together, these seven parks hold a slice of Malaysia’s 15,000-plus flowering plant species, and the wildlife that depends on them. Here is where to find them, and how to get there.

Penang National Park: The world’s smallest, packed with surprises

Penang National Park covers barely 25 square kilometres of land and sea. Despite that, it holds the title of the world’s smallest national park.

Inside is a meromictic lake, a rare body of water where salt and fresh layers never mix. Only a handful of these exist in Asia. The park also has mangroves, dry forest and white-sand beaches along the Andaman Sea.

Hikers can follow the Monkey Beach trail to spot long-tailed macaques. Or head to Kerachut Beach to see the park’s turtle hatchery instead. The mix of mangrove and dry forest also draws white-bellied sea eagles.

Best time to go: July to September suits coastal hiking best. October and November bring cooler evening showers instead. So, start early and carry at least 2.5 litres of water.

Getting there: Buses run from Penang Bus Terminal. From there, Rapid Penang routes 101 or 102 stop directly at the park entrance in Teluk Bahang.

Royal Belum State Park: A 130-million-year-old wilderness

Royal Belum sits inside the 300,000-hectare Belum-Temengor forest complex in Perak. It is one of the oldest rainforests on Earth. It is also a key corridor for the Malayan tiger and the Asian elephant. Besides that, all ten of Malaysia’s hornbill species live here, alongside Rafflesia, the world’s largest flower.

Visitors can cruise across Temenggor Lake or visit Orang Asli villages to learn about forest culture. Another option is the trek to Sungai Kooi waterfall, which drops 50 metres.

Meanwhile, salt licks scattered through the park draw wildlife at fairly predictable hours, making them a reliable spot for sightings.

Best time to go: August and September are peak hornbill season, when the birds gather to feed on fruit. So, pack a light poncho for sudden downpours. Also bring non-slip sandals for boat trips, and leech socks for the waterfall trail.

Getting there: Buses run from Kuala Lumpur to Gerik. From there, a short taxi ride reaches Pulau Banding, the main jetty for boat tours into the park.

Taman Negara National Park: Walking among the clouds

Taman Negara is said to be the world’s oldest tropical rainforest. It spans 4,343 square kilometres across three states. Its scale alone makes visitors feel small.

The park’s Canopy Walkway is a 530-metre suspension bridge that crosses the forest at treetop height. Meanwhile, night walks reveal mouse deer and tapirs near the observation hides.

Beyond the canopy, the Gua Telinga cave system offers a cooler pace. So does a wooden boat ride to the Lata Berkoh rapids, where tea-coloured river pools are perfect for swimming. Nearby, Orang Asli settlements still practise traditional hunting and fire-making skills. For visitors short on time, a one-day tour covers several of these stops at once.

Best time to go: Year-end months bring stable trekking conditions and a misty atmosphere. So, pack moisture-wicking clothing, leech socks and a waterproof bag for river crossings.

Getting there: Buses run to Kuala Tahan, the park’s main gateway town.

Endau-Rompin National Park: Rock formations older than the dinosaurs

Endau-Rompin sits on the Johor-Pahang border. It protects some of the oldest rock formations on Earth, dated to roughly 250 million years. Still, the Selai entrance offers an easier route into a park otherwise built for serious rainforest exploration.

Trails lead to the Mahkota and Buaya Sangkut waterfalls. There, ancient rock pools have carved themselves into the riverbed over millions of years.

Also, night safaris reveal rare frogs and insects. Meanwhile, the Kampung Peta indigenous village offers a window into Jakun forest knowledge and customs.

Best time to go: Parts of the park close during the peak monsoon in November and December. So, July to September is the safer window. Bring insect repellent, a power bank, and enough cash, since there are no ATMs inside.

Getting there: Buses run to Kluang or Segamat. From there, a local taxi or transfer continues to the Bekok gateway.

Bako National Park: Borneo’s ecosystems in miniature

Bako packs nearly every plant habitat found in Borneo into one compact park. As a result, it is a crash course in Sarawak’s wildlife and plant life. It is best known for its proboscis monkeys, easy to spot thanks to their oversized noses. They gather near park headquarters at dawn and dusk.

Sixteen colour-coded trails wind through the park’s rainforest and rocky coastline. The easy Telok Paku trail offers good odds of spotting bearded pigs and silvered langurs.

Meanwhile, the harder Lintang Loop passes sandstone cliffs and pitcher plants that trap insects for food. For visitors hoping to see tarsiers or slow lorises, staying overnight in the park’s chalets or campsite works best.

Best time to go: July and August are Sarawak’s driest months, and the best for wildlife sightings. By year-end, though, the Northeast Monsoon makes the sea choppier, so book boat transfers for the morning.

Getting there: Buses run from Kuching’s Open Air Market to Bako Village. From there, it’s a 30-minute boat ride to park headquarters.

Lambir Hills National Park: A botanist’s paradise

Lambir Hills is known as one of the most tree-rich rainforests on the planet. More than 1,000 tree species grow within its modest size. Its most accessible draw is Latak Waterfall, which feeds a large natural pool close to the entrance.

That tree variety also brings exceptional birdlife. Bring binoculars for a chance at the Bornean Bristlehead, several hornbill species, and the bright kingfisher.

Meanwhile, tall dipterocarp trees and insect-trapping pitcher plants line the higher, sandier ridges. For a reward, the trek to Bukit Lambir’s summit offers views over the canopy toward the South China Sea.

Best time to go: The second half of the year brings cooler trekking weather. But trails turn slippery after rain, so wear shoes with deep grip. June and July, however, stay warm enough for a swim at the falls.

Getting there: Buses run from Miri via Biaramas Express. Drivers can drop passengers at the park entrance along the highway.

Danum Valley Conservation Area: Borneo’s last untouched forest

Danum Valley has never been logged. As a result, it is one of the most untouched ecosystems left in Borneo. It is also one of the few places where wild orangutans still roam freely.

Night safaris by four-wheel drive offer a chance to see flying squirrels, sambar deer and civets. The rare western tarsier sometimes appears too, with its huge reflective eyes.

On lucky nights, visitors spot the elusive Bornean clouded leopard. Early risers can take a 4WD to the Bukit Atur lookout at 4.30am instead. From there, the sunrise breaks over a sea of mist, broken only by the tallest treetops. It is one of Borneo’s most photographed scenes.

Best time to go: Danum Valley is a high-protection area. So, all visits need a guide and a permit booked in advance. Pack earthy, quick-dry clothing and leech socks too.

Getting there: An express coach runs from Kota Kinabalu or Sandakan to Lahad Datu. From there, a pre-arranged 4WD shuttle covers the final two-hour stretch into the conservation area.

From a tiny park in Penang to untouched wilderness in Sabah, these seven destinations cover Malaysia’s rainforests at their fullest. None of them need a car to reach. redBus, which compiled the route data, cites industry figures here.

Coach travel produces up to six times lower carbon emissions per passenger kilometre than a car with one person inside. So, the journey itself becomes part of the sustainability story, not just the destinations.

Travellers with two weeks free can string all seven into one cross-country route. With just a weekend, though, any single park stands on its own.

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redBus is the online bus ticket booking platform, founded in 2006 and operating across Malaysia, India, Singapore, Indonesia and beyond. In Malaysia, redBus has partnered with more than 200 bus operators — including Transtar Travel, Sani Express, KKKL Express and Biaramas Express — covering intercity routes across the country. Travellers can book tickets via redbus.my or the redBus app, with payment options including FPX, Touch ‘n Go e-wallet, Boost and credit or debit cards. Visit redbus.my to plan your next journey.