Glide through mangrove channels at dusk to seek proboscis monkeys and, after dinner, watch mangrove branches ignite with thousands of fireflies. This guided evening tour from Kota Kinabalu blends easy cruising with wildlife viewing and local flavors.
Glide through mangrove channels at dusk to seek proboscis monkeys and, after dinner, watch mangrove branches ignite with thousands of fireflies. This guided evening tour from Kota Kinabalu blends easy cruising with wildlife viewing and local flavors.
Dusk arrives over the Klias River and the mangroves begin to move—leaves shiver, water darkens, and a small motorboat slips through channels that dare you to look closer.
Verified experiences and guided adventures in the surrounding area.
Operated by Only In Borneo Tours · Beaufort, Sabah
Dusk arrives over the Klias River and the mangroves begin to move—leaves shiver, water darkens, and a small motorboat slips through channels that dare you to look closer.
This evening cruise out of Kota Kinabalu follows tidal arms that weave through peat and clay deposits left by millennia of Bornean rivers. The mangrove roots brace against incoming tides while riverbanks keep the story of local communities—fisherfolk and river traders from Beaufort and surrounding villages—who have long read the river’s moods to survive.
Geologically simple but biologically dense, Klias is a lowland estuary where freshwater meets the South China Sea. Culturally, the area reflects a mix of Malay and indigenous influences; local snacks and tea served before the cruise are part of the hospitality you’ll encounter.
On the water you watch for the bulbous-nosed proboscis monkeys and kingfishers at first light, then wait in near-dark as the riverbank becomes a galaxy of fireflies, tiny beacons flickering in mangrove branches.
Practical guidance: tours generally include hotel pickup from Kota Kinabalu in mid-afternoon, a 2–2.5 hour transfer, an early evening wildlife cruise, dinner, and a second nocturnal run to view fireflies. Sightings aren’t guaranteed—wildlife is wild—but guides know the best sections to visit. Bring insect repellent, a headlamp with red filter, binoculars, and a waterproof bag for electronics. Lighting must be minimal near firefly clusters; avoid flash photography. The tour is family-friendly and wheelchair-accessible in many parts, but expect narrow boat aisles and low light during the night cruise.
Expect roughly 2–2.5 hours each way by van depending on traffic; pickup typically starts mid-afternoon.
Fireflies are reliably visible on many nights in the right season and sections of the river; proboscis monkey sightings are common but not guaranteed—wildlife behavior is variable.
Yes—many operators provide infant seats and allow strollers, and the tour notes indicate wheelchair-accessible transport for parts of the experience.
No—flash photography can disturb fireflies and other wildlife; low-light, no-flash techniques are recommended.
Only In Borneo Tours operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Dusk arrives over the Klias River and the mangroves begin to move—leaves shiver, water darkens, and a small motorboat slips through channels that dare you to look closer.
Dusk arrives over the Klias River and the mangroves begin to move—leaves shiver, water darkens, and a small motorboat slips through channels that dare you to look closer.
This evening cruise out of Kota Kinabalu follows tidal arms that weave through peat and clay deposits left by millennia of Bornean rivers. The mangrove roots brace against incoming tides while riverbanks keep the story of local communities—fisherfolk and river traders from Beaufort and surrounding villages—who have long read the river’s moods to survive.
Geologically simple but biologically dense, Klias is a lowland estuary where freshwater meets the South China Sea. Culturally, the area reflects a mix of Malay and indigenous influences; local snacks and tea served before the cruise are part of the hospitality you’ll encounter.
On the water you watch for the bulbous-nosed proboscis monkeys and kingfishers at first light, then wait in near-dark as the riverbank becomes a galaxy of fireflies, tiny beacons flickering in mangrove branches.
Practical guidance: tours generally include hotel pickup from Kota Kinabalu in mid-afternoon, a 2–2.5 hour transfer, an early evening wildlife cruise, dinner, and a second nocturnal run to view fireflies. Sightings aren’t guaranteed—wildlife is wild—but guides know the best sections to visit. Bring insect repellent, a headlamp with red filter, binoculars, and a waterproof bag for electronics. Lighting must be minimal near firefly clusters; avoid flash photography. The tour is family-friendly and wheelchair-accessible in many parts, but expect narrow boat aisles and low light during the night cruise.