One Week in Brunei: An Offbeat Itinerary

Seven days spent entirely inside Brunei is more than the country needs, and the honest version of this itinerary says so before it says anything else. Brunei Darussalam is a small, oil-rich Islamic sultanate on the island of Borneo, not a Malaysian state: it’s bordered on every landward side by the Malaysian state of Sarawak, and Sarawak’s Limbang district actually splits Brunei into two separate pieces, the mainland and the Temburong exclave. The plan here does Brunei properly across the first four days, then keeps going: it crosses the land border into Malaysian Borneo for the back half, because that’s a genuinely better use of a full week than a fourth day of mosques.

Days 1 to 4 nest the same spine as our shorter plans: the 2-day BSB weekend covers the mosques and Kampong Ayer, the 3-day and 4-day plans add the Temburong rainforest, and the 5-day and 6-day itineraries add the Tutong-Belait oil coast on top. What none of those shorter plans do, because four, five, or six days doesn’t leave room, is what Days 5 to 7 do here: keep driving past Belait into Sarawak, Malaysia, for Miri and the caves at Gunung Mulu National Park, a genuinely different country with its own currency, its own entry rules, and, unlike Brunei, an actual UNESCO World Heritage Site.

Book these before you go:

A few rules matter more than the sights, and they hold for the whole first half of this trip. There’s no legal public sale of alcohol anywhere in Brunei and no bars; Royal Brunei Airlines itself is a dry carrier. Non-Muslim visitors 17 and over may bring in, per visit, 2 bottles of liqueur (1 litre each) or up to 12 cans of beer (330ml), declared at customs, for private consumption in your own room only. Dress modestly at the mosques (shoulders and knees covered, a head covering for women; robes are loaned free at the door). If this trip lands near Ramadan, 2026’s dates fall roughly 18 February to 19 or 20 March, shifting with moon-sighting, and public daytime eating, drinking, and smoking are restricted for everyone while it runs, not just Muslims. Drug trafficking carries a mandatory death sentence on paper, and same-sex acts are illegal under both the civil and Sharia codes; enforcement against ordinary tourists is essentially unheard of, but check the current FCDO or State Department guidance rather than guessing. None of this is a crime problem: Brunei has very low crime and is genuinely calm for tourists who follow the rules above. Prices in Brunei are in Brunei dollars (BND), pegged 1:1 to and freely interchangeable with the Singapore dollar. Once you cross into Sarawak on Day 5, that stops: Malaysia uses its own ringgit (MYR), Brunei’s customs and immigration rules no longer apply, and Malaysia’s own visa-free allowance for your nationality may differ from Brunei’s, so check it separately before you go.

Day Focus Rough daily cost
1 BSB arrival, Omar Ali Saifuddien Mosque, Kampong Ayer 60-90 BND
2 Jame’Asr Hassanil Bolkiah Mosque, Royal Regalia Museum, dusk river cruise 90-120 BND
3 Temburong Bridge crossing, guided rainforest day, overnight lodge 200-260 BND
4 Second Temburong morning, return, Empire Brunei and Jerudong Park 90-130 BND
5 Tutong-Belait-Seria oil coast, border crossing, arrive Miri 60-100 BND + 80-120 MYR
6 Fly Miri to Mulu, Gunung Mulu caves, overnight near the park 250-350 MYR
7 Fly Mulu to Miri, departure 60-100 MYR

Day 1: Landing in Bandar Seri Begawan

Fly into Brunei International Airport, code BWN, not to be confused with Kota Kinabalu’s BKI just across the border in Malaysia. Grab doesn’t operate here; taxis and the local ride-hailing app, Dart, cover the transfer into BSB. Check in, then head to the Omar Ali Saifuddien Mosque, built in 1958 with an Italian marble exterior and a gold-leaf dome that mirrors in its own artificial lagoon; it’s floodlit and at its best after dark. Cover shoulders and knees; robes are free at the entrance if you need them. Afterward, take a water taxi through Kampong Ayer, the stilt water village on the Brunei River that’s home to roughly 10,000-plus residents today, well down from the higher figures sometimes quoted for it decades ago. Dinner is at Gadong Night Market, cash in hand for the stalls.

Day 2: Gadong and the river

Start at Jame’Asr Hassanil Bolkiah Mosque in Gadong, Brunei’s largest, with 29 golden domes said to mark the Sultan’s position as the country’s 29th ruler. The Royal Regalia Museum nearby is free and holds coronation regalia and gifts presented to the royal family over the decades; budget an hour. Spend the afternoon at your own pace, then take a late-afternoon Brunei River cruise timed for dusk, when proboscis monkeys are most active along the mangroves.

Day 3: Crossing the Temburong Bridge

Head out early across the Sultan Haji Omar Ali Saifuddien Bridge, opened 17 March 2020, roughly 30km of dual carriageway and one of the longest bridges in Southeast Asia. It runs straight into Temburong with no Malaysian transit at all, a 30 to 45 minute drive; before 2020 this meant a speedboat or a multi-checkpoint drive through Sarawak’s Limbang district. Ulu Temburong National Park only allows entry through a licensed guide, there’s no independent access, so this day runs on your operator’s schedule: the canopy walkway suspended above the rainforest, then a jungle trek at ground level. Stay overnight at a rainforest lodge inside Temburong rather than rushing back.

Day 4: A second morning in the rainforest, then Jerudong

A slower second morning in Temburong, often a river swim or a longhouse stop depending on your guide’s route, before heading back across the bridge by early afternoon. Spend the evening at Jerudong: the Empire Brunei, a five-star resort built up from a former royal guesthouse, worth a look even if you’re not staying, and Jerudong Park next door, an amusement park still running in 2026 on a weekly schedule that varies day to day, so check current hours before you plan around it.

Day 5: The oil coast, and out of Brunei

Hire a car or taxi and drive west through Tutong district into Belait, the one stretch of coast most Brunei itineraries skip entirely. Seria is where Brunei’s oil industry began, and the Billionth Barrel Monument, built in 1991 to mark the country’s billionth barrel of crude (produced 18 July 1991), tells that story in a single stop. From Kuala Belait the Sarawak border is close; cross at the land checkpoint into Malaysia, clear a separate immigration process (Brunei’s visa-free terms stop applying the moment you exit), and continue to Miri, a Sarawak city that functions as the gateway to the Mulu caves. Change some cash to ringgit once you’re across; Brunei dollars aren’t the local currency here the way they are, interchangeably, in Singapore.

Day 6: Gunung Mulu National Park

A short regional flight connects Miri to Mulu; book it locally and check current schedules and fares before you fix the rest of this day around it, since flights are limited and weather-dependent. Gunung Mulu National Park is Sarawak’s UNESCO World Heritage Site, inscribed in 2000, home to the Deer Cave (one of the world’s largest cave passages, with a nightly bat exodus worth timing your visit around) and Clearwater Cave. It’s the single site that Brunei, with zero World Heritage Sites of its own, has no equivalent for. Stay overnight near the park entrance rather than day-tripping it from Miri.

Day 7: Back to Miri, and out

Fly back from Mulu to Miri in the morning, leaving the rest of the day for departure. Miri has its own international connections, including to Kuala Lumpur and Singapore, so flying out from here rather than backtracking to BWN is a genuine option worth pricing against a return flight through Brunei.

How many days do you need in Brunei?

Two to three days covers Brunei’s real core: BSB’s mosques, Kampong Ayer, and one big activity like a river cruise or a Temburong day trip. This plan spends four days doing that properly, with a rainforest overnight and the oil coast added on, before treating the rest of the week as a separate trip into Malaysian Borneo rather than padding out a fifth or sixth day of the same sights.

Can you drink alcohol in Brunei?

Not publicly. There’s no legal sale of alcohol and no bars anywhere in the country. Non-Muslim visitors aged 17 and over may import, per visit, 2 bottles of liqueur (1 litre each) or up to 12 cans of beer (330ml), declared at customs, for private consumption only, with a 48-hour gap required between imports. Some travel sites quote a bigger combined figure; Brunei Customs’ own wording reads as one option or the other, so treat that as the reliable version. Once you’re in Malaysia from Day 5 onward, different rules apply.

How do you reach Ulu Temburong?

By road, directly from BSB across the Sultan Haji Omar Ali Saifuddien Bridge since March 2020, no Malaysian transit required, in about 30 to 45 minutes. Entry to the park itself is only through a licensed tour operator; independent visits aren’t permitted, so book a guide rather than planning to show up on your own.

None of Brunei’s sights on this list carry UNESCO World Heritage status, not the mosques, not Kampong Ayer, not Ulu Temburong; Brunei currently has zero inscribed World Heritage Sites, with Ulu Temburong only just entering the process as the country’s first-ever nomination candidate as of a February 2026 preparatory seminar. Gunung Mulu, on Day 6, is the trip’s one genuine World Heritage Site, and it belongs to Malaysia, not Brunei. For anything time-sensitive on the Brunei half, check bruneitourism.com , the FCDO and State Department pages linked above, and Brunei Immigration’s e-Arrival portal, since visa-free entry length varies by nationality and none of it should be assumed from a blog post. Pack small BND notes for Days 1 to 4, and switch your remaining small cash to ringgit at the border rather than trying to spend Brunei dollars in Sarawak.