Seeing primary Bornean rainforest usually means one of two things: days of travel and nights in camp, or a park so visited that the experience feels more like a queue than a forest. This destination solves both by an inelegant but very effective route: a new road and a small country almost nobody visits.
01 How it fits you
The figure that holds everything else up: according to World Bank data, 72.1 % of Brunei's land area was forest in 2023. This is not a country with parks inside an agricultural matrix; it is a mostly forested country with cities around the edges. And the best-preserved part is concentrated in Temburong district.
02 What exactly you will see
Ulu Temburong national park was declared in 1991 and protects 488.59 square kilometres, around 40 % of the district. Visiting is concentrated into a very small portion, and that is deliberate: the rest stays closed, which is largely the reason the forest is still as it is.
The element that justifies the trip is the canopy walkway: a structure of steel towers rising to 50 metres above the forest floor, letting you look down on the canopy, which is precisely the viewpoint you never get. The site adds up to about 7 kilometres of boardwalks, bridges and stairways.
03 What it will cost you
The first friction is that you cannot improvise here. Almost everything — the park, the mangrove, the transfer — goes through an operator with an advance booking, because no public transport reaches it and the final approach to the park is made by river boat. It is not expensive, but it means building the schedule before you arrive.
The second is a rule of the country worth knowing before you pack: alcohol is not sold in any establishment. Non-Muslim travellers over 18 may bring in a limited quantity — two bottles of spirits and twelve 330 ml cans of beer — declaring it at customs on arrival, and only for consumption where they are staying.
The third is the climate, and it is non-negotiable: 3,070 millimetres of rain a year over 211 days, at 34 degrees with constantly high humidity. There is no dry season. And a useful note on money: the Brunei dollar has been at par with the Singapore dollar since the 1967 interchangeability agreement, and Singapore notes are accepted there as a matter of course.
04 How I would build these days
Four days in March, with the park in the middle and not at the end. Day one: the city on foot early in the morning and the water village afterwards, crossing by water taxi and walking the boardwalks. Day two: the big day, an early start for Temburong, across the bridge, up the canopy walkway and back to sleep in the capital.
Day three: the wildlife trip along the river's mangrove arms, late in the afternoon, which is when the proboscis monkeys come down to the branches on the bank. Day four: slack. With 211 rainy days a year it is worth keeping a spare day to shift the big outing if day two dawns closed in.
05 The verdict
If what you want is genuine primary forest and you are not willing to pay for it with three nights in camp, this is probably the best ratio there is between quality of rainforest and effort. A country three-quarters forested, a park almost entirely closed to visitors and a new road that drops you at the door.
If you travel for the city, for the night or for variety, this destination will feel thin very quickly, and no itinerary will fix that. The deciding question is simple: are you coming for the forest or for the country? If it is the former, four days here are well worth it. If it is the latter, choose somewhere else.
Explore this destination
Discover its points of interest, prices, access and everything worth seeing.
Days already sorted
Day-by-day routes for this destination, with stops, timings and what each one costs.
Bernard Gagnon Thimphu for the traveller who accepts that here the trip is priced by the night
Mindia Jalabadze Tbilisi for anyone who travels for wine and wants to see where it comes from
Dmitry G