Sinhagala Trail

The Sinhagala Trail is the long walk of the Sinharaja Rain Forest: a full day on foot from the Kudawa entrance to a rock summit deep inside the reserve. Sinhagala means Lion Rock. The World Heritage datasheet for Sinharaja gives its height as 742 m. Most people who visit Kudawa walk only the first part of this route, so going all the way is something to plan for rather than decide on the day.

How long is the Sinhagala Trail?

About 12 km each way by most walkers' accounts, and nobody has published a surveyed length. Be careful with shorter figures. The widely copied 2.4 km is wrong for a start at Kudawa, and 14 km cannot be a return distance.

The summit lies south-east of Kudawa. No published coordinate exists, so the map on this page shows its position as approximate, taken from the shape of the land.

What is the route of the Sinhagala Trail?

The trail is in two very different parts. Only the first 3.9 km or so is mapped; beyond that, this order comes from walkers' accounts.

• The old logging road: from the Kudawa car park the way climbs on a road from the logging years, paved for the first stretch and overgrown after that. It passes Martin's Lodge and reaches the Kudawa Research Centre, about 3.6 km from the car park on the map.
• Into the forest: past the Research Centre the path thins. Walkers describe a long stretch that is mostly level, with hillocks and muddy ground, crossing Heen Dola stream and a thicket of nelu.
• The final climb: near the end the route goes up a boulder-strewn stream and then a steep, overgrown slope, using roots as handholds, to an opening on the rock. The last 1 to 1.5 km is the hard part.

The lower road can be blocked by fallen trees and old landslides, so conditions change from year to year. Ask your guide what to expect.

What will you see on the Sinhagala Trail?

The first section has some of the best-studied birdwatching in Sri Lanka. A long-term study on this road recorded 476 mixed-species bird flocks, averaging about 11 species and 41 birds each, with 18 endemic species taking part. Orange-billed Babblers were in about nine of every ten flocks. These flocks are the reason serious birders come to Sinharaja.

Around the Research Centre, birders regularly report the Sri Lanka Blue Magpie, Spot-winged Thrush and Scaly Thrush. Further along, single sightings reported on walks to Sinhagala include a pair of Chestnut-backed Owlets and the Purple-faced Langur. Treat these as what is possible, not what is likely.

Much less has been written about the upper trail than the road. The forest in this sector is dense and evergreen, with Mesua and Shorea trees in the canopy, and logging left a patchy mark: gaps near the road, uncut forest on the steep ridges. One rare plant is on record from the top: the World Heritage datasheet lists Atalantia rotundifolia at Sinhagala at 742 m.

Why does the trail start on a logging road?

Because the Kudawa side was logged. Timber extraction for plywood was permitted in 1968, and mechanised selective logging took about 1,400 hectares of the western forest in the 1970s. The Research Centre was once the centre of that operation. Public opposition led by the Wildlife and Nature Protection Society ended it with a ban in 1977. Sinharaja became a Biosphere Reserve in 1978, and a National Heritage Wilderness Area and a World Heritage Site in 1988.

What are the rules and costs?

• Guide: a guide is required. Arrange one at the Kudawa ticket office or through your lodge. Reports conflict on whether the ticket includes the guide, so ask at the gate.
• Ticket: foreign adults were reported paying about LKR 2,700 in 2024 and 2025. Newer figures vary widely and no official table could be checked, so confirm the price and bring cash in rupees.
• Hours: the gate opens at about 06:00 to 06:30, with last tickets reported at about 16:30. For this walk, start at opening.
• The law: under the National Heritage Wilderness Areas Act of 1988, you must not collect plants, disturb animals, pollute water or carry fire. The penalty can be a fine, up to six months in prison, or both.

How should you prepare?

• Leeches: expect them. Leech socks are sold at the entrance, and even these do not stop every leech. Wear long trousers and closed shoes.
• Water and food: carry at least 1.5 litres of water per person, and more for a walk this long, with food for the day. Do not count on finding any on the way.
• Rain: there is no reliably dry month. January to March is the usual advice and August to September the second choice, but visitors in March 2025 still had rain for most of a day.
• Snakes: stay with your guide and watch where you put your hands. There is no antivenom for the hump-nosed pit viper and its venom can damage the kidneys, so any snake bite needs hospital care, even if it looks minor.
• Daylight: the trail is unlit. Turn back in good time, whether or not you have reached the top.

Colombo to Kudawa is about 155 to 160 km and takes about 4 to 4.5 hours by road, through Ratnapura, Kalawana and Weddagala, so stay near Kudawa the night before. If you would rather have a shorter day, the Mulawella Trail starts from the same entrance.