Reviewed · FIREFLY TOURS

Proboscis Monkey and Fireflies River Cruise

4.0 · 51 reviews From $81 Operated by TYH Borneo Tours and Travel SDN BHD · Bookable on Viator
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The best part comes after sunset. This eight-hour outing from Kota Kinabalu pairs a mangrove river cruise with a night display of fireflies, giving you two very different wildlife moments in one afternoon. I like the included hotel transport and the chance to watch the sky change over Weston, about 100 kilometers south of Kota Kinabalu.

I also like the guide commentary, local snacks, coffee, tea, and dinner included in the price. The main caution is simple: wildlife is never guaranteed. One guest saw no proboscis monkeys at all, though the sunset was beautiful and the fireflies were amazing.

Key points to know before you book

Proboscis Monkey and Fireflies River Cruise - Key points to know before you book

  • Weston wetlands location: The tour heads south from Kota Kinabalu to Weston, a town along Sabah’s Pan Borneo Highway and a noted habitat for proboscis monkeys.
  • Two-part wildlife experience: You search for monkeys and native birds before sunset, then look for fireflies after dark.
  • Transport is included: Hotel pickup, drop-off, and shared air-conditioned transfers are part of the package.
  • Small group limit: The maximum group size is 20 people, which keeps the outing more manageable than a large coach tour.
  • Food and drinks are covered: Afternoon tea, local snacks, coffee, tea, and dinner are included.
  • Sightings can vary: The cruise may produce excellent monkey sightings, no monkey sightings, or something in between.

From Kota Kinabalu to the Weston wetlands

Proboscis Monkey and Fireflies River Cruise - From Kota Kinabalu to the Weston wetlands

The meeting time is 1:30 pm, giving you an afternoon start and an evening finish. You are picked up at your hotel in Kota Kinabalu and driven in an air-conditioned vehicle toward Weston, in the Interior Division of Sabah.

Weston sits roughly 100 kilometers south of Kota Kinabalu. It is one of the towns along the Pan Borneo Highway, and its wetland area has become known for its population of proboscis monkeys. That distance matters. This is not a quick city excursion with a short boat ride attached. A good part of the day is spent reaching the river and returning to Kota Kinabalu.

The shared transfer keeps the price lower than a private outing, but you should expect the pace and pickup order to depend on the group. Hotel pickup and drop-off are included for hotels within the stated Kota Kinabalu service area and 1 Borneo Shopping Mall area. If your hotel is outside those zones, an additional MYR30 per person applies.

The vehicle is air-conditioned, a useful feature in Sabah’s warm climate. You also have a local guide and driver-guide, so the journey is not simply a silent transfer. Commentary about the wildlife and local setting is part of the experience.

Why proboscis monkeys are the main attraction

Proboscis Monkey and Fireflies River Cruise - Why proboscis monkeys are the main attraction

Proboscis monkeys are among Borneo’s most unusual animals. The males are famous for their large noses, potbellies, and awkward-looking shape. That odd appearance is part of the appeal, and it has helped make them nearly as popular with visitors as orangutans.

The Weston wetlands are promoted as a place with a large proboscis population. The river and mangrove setting gives you a reasonable chance to search for them from the water, where the animals may be seen near the riverbanks or in trees. The tour also watches for silver leaf monkeys, long-tailed macaques, monitor lizards, and native birds.

Still, you should set your expectations correctly. You are not visiting a zoo, and the boat crew cannot order an animal to appear. One account of the cruise found the boat moving up and down the river without locating any proboscis monkeys. That is a real weakness if seeing the signature animal is your main reason for booking.

I would treat the monkeys as a possible reward, not a promise. The tour has more value when you see it as a wildlife search across a wetland ecosystem, with several possible species rather than one guaranteed sighting.

The river cruise before sunset

Proboscis Monkey and Fireflies River Cruise - The river cruise before sunset

The boat portion takes place around sunset, when the light softens and the mangrove forest takes on a calmer look. You cruise through the wetlands while the guide points out local wildlife and explains what you are seeing.

This is the part of the outing where patience matters. The boat may move slowly, pause, or travel along stretches of river that seem quiet. If you are hoping for constant action, the experience may feel repetitive. One person described the river ride as spending too much time going up and down the river after missing the monkeys.

On the other hand, the slower pace is exactly what allows you to watch the banks and trees. Wildlife viewing requires time, and a quiet stretch of river is not automatically a wasted stretch. You might find silver leaf monkeys, macaques, monitor lizards, or birds even when the proboscis monkeys remain out of sight.

The guide’s commentary helps give purpose to the search. You are not left to identify every shape in the trees on your own. The quality of the experience will depend partly on how clearly the guide explains the animals and their habitat.

A past booking praised Terence by name, noting that he worked hard to explain Sabah, its nature, and much more. If Terence is leading your departure, that is an encouraging sign. Guide assignments can vary, so I would not assume he will be present on every date.

Sunset over the Weston wetlands

The sunset is one of the dependable visual rewards of the cruise. Even when wildlife sightings are limited, the fading daylight gives the boat trip a clear rhythm. You begin with animal watching, then gradually shift toward the evening firefly search.

This transition is one reason the timing works well. A morning departure would not offer the same combination of sunset and fireflies. The 1:30 pm start also leaves the morning free for another Kota Kinabalu activity or a slower beginning to your day.

You receive afternoon tea, local snacks, coffee, and tea during the outing. These are modest touches, but they help during a long shared excursion. Dinner is also included, so you do not need to arrange a separate evening meal while you are away from the city.

The food is part of the practical value rather than a major culinary reason to book. The focus remains the river, the animals, and the night display. Still, included refreshments make the $81 price easier to judge, especially when transportation and a guide are included too.

Fireflies in the mangrove darkness

Proboscis Monkey and Fireflies River Cruise - Fireflies in the mangrove darkness

After sunset, the experience changes completely. The bright river view gives way to darkness, and the fireflies become the main event. Their blinking lights in the trees can look like tiny stars gathered along the riverbank.

The fireflies received the strongest praise in the available feedback. Even the person who did not see proboscis monkeys described the fireflies as amazing. That tells you something important about the tour’s balance: the second half can rescue an ordinary wildlife cruise.

You should not expect a staged light show. Fireflies are living insects, and the number you see can vary. The appeal comes from the quiet contrast between the daylight animal search and the small flashes appearing after nightfall.

This is also the most atmospheric part of the trip. You are no longer scanning bright trees for a large monkey. Instead, you are watching carefully for points of light in the dark. The experience rewards attention and a willingness to slow down.

What the $81 price really includes

At $81 per person, this is not the cheapest way to spend an evening around Kota Kinabalu. The price covers a lot, though: hotel pickup and drop-off, shared round-trip transport, an air-conditioned vehicle, a local guide, a driver-guide, the boat cruise, afternoon tea, coffee or tea, local snacks, and dinner.

For you, the key question is how much convenience matters. Arranging your own transport to Weston would take planning, and you would still need to organize a boat and wildlife guide. This package gathers those moving parts into one booking.

The shared format is the trade-off. You are not paying for a private vehicle or a private boat, and the maximum group size is 20. That is fairly contained for a group activity, but it is still large enough that you may not get constant one-to-one attention from the guide.

I consider the price reasonable if you want a full afternoon and evening excursion with meals and transport included. It is less compelling if you are focused only on seeing proboscis monkeys and would be disappointed by a missed sighting. The fireflies and sunset give the outing a second chance to deliver value.

The tour is often booked about 13 days ahead. That suggests you should not leave it until the final moment if this is important to your Sabah plans. Confirmation is provided at booking.

Who will enjoy this outing most

I would recommend this experience to you if you want an organized introduction to Sabah’s wetland wildlife without arranging several separate services. Families, first-time visitors, and anyone staying in Kota Kinabalu without a rental car may appreciate the simple pickup and return.

It also suits you if you enjoy nature searches rather than guaranteed animal encounters. You can watch for several species, learn about the local wildlife, see the sunset, and finish with fireflies.

The tour may be a weaker choice for you if your schedule is tight. The outing lasts about eight hours, and Weston is far enough from Kota Kinabalu that the transfer takes up a meaningful part of the day. It may also disappoint you if your only goal is a close or guaranteed view of proboscis monkeys.

Photography-minded visitors should also think about the conditions. The tour includes sunset light and darkness, but no special photography equipment is listed. The fireflies are more about watching the scene than expecting bright, detailed photographs.

Practical details that can affect your decision

The tour begins at 1:30 pm and lasts approximately eight hours. Pickup is offered, but the stated outskirt policy matters. Hotels outside the Kota Kinabalu city area and 1 Borneo Shopping Mall area incur a MYR30 per-person pickup charge.

Most people can participate, according to the available tour information. The activity has a maximum of 20 participants. No special accessibility details are provided, so you should ask the operator directly if you have specific mobility needs.

The experience is non-refundable and cannot be changed for any reason. If you cancel or request an amendment, the amount paid is not returned. That makes it wise to check your hotel location, date, and pickup details carefully before paying.

The operator is TYH Borneo Tours and Travel SDN BHD. The booking includes mobile ticket access, which is useful when you are managing several activities from your phone.

Go into the cruise with two goals: look for proboscis monkeys, but also pay attention to the wider wetland. If you spend the whole ride judging the trip by one missing species, you may overlook the silver leaf monkeys, macaques, monitor lizards, and native birds that the guide may identify.

Listen closely during the quieter stretches. Wildlife commentary gives you a better sense of why the mangroves matter and turns a simple boat ride into a more informed outing. If the boat pauses or repeats part of the river route, use that time to scan the trees and river edges instead of assuming nothing is happening.

Keep the sunset and fireflies in your plan from the start. The best part of the outing may not be the animal you hoped to see. A beautiful sunset followed by blinking fireflies can make the evening worthwhile even when the monkey search comes up short.

Should you book the Weston river cruise?

Book it if you want a convenient, full-day-to-evening nature trip from Kota Kinabalu, with transport, food, a guide, sunset scenery, and fireflies included. The firefly portion appears to be the most reliable crowd-pleaser, while the sunset adds a strong visual reward.

Book with caution if seeing proboscis monkeys is non-negotiable. The Weston wetlands are known for them, but a sighting is not guaranteed, and one account found the search frustrating. At $81, the package offers fair value when you appreciate the whole outing, not just one animal.

For most people, I would call this a solid but not flawless choice. The 4.2 rating from 51 reviews fits the experience well: worthwhile, well organized, and memorable for the fireflies, but dependent on nature and the guide’s ability to find wildlife.

FAQ

Where does the Proboscis Monkey and Fireflies River Cruise take place?

The cruise takes place near Weston, a town on Sabah’s west coast about 100 kilometers south of Kota Kinabalu. The route passes through mangrove wetlands.

What time does the tour start?

The stated start time is 1:30 pm.

How long does the experience last?

The tour lasts approximately eight hours.

Is hotel pickup included?

Yes. Hotel pickup and drop-off are included for the stated service area. An additional MYR30 per person applies to pickup from hotels outside Kota Kinabalu city and the 1 Borneo Shopping Mall area.

What wildlife might I see?

The tour searches for proboscis monkeys, silver leaf monkeys, long-tailed macaques, monitor lizards, and native birds. Wildlife sightings are not guaranteed.

Are food and drinks included?

Yes. The package includes afternoon tea, local snacks, coffee or tea, and dinner.

How many people can join the tour?

The maximum group size is 20 people. Round-trip transportation is shared.

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