Kapuas River

Stream Indonesia's longest river, flowing through Borneo (Kalimantan)

Flowing across West Kalimantan, the Kapuas is Indonesia’s longest river; travellers take longboat trips to see peat swamp forests, riverine wildlife and traditional Dayak communities.

Main image

The Kapuas River is a major river in the Indonesian portion of Borneo (Kalimantan) and is the longest river in Indonesia. It is a principal west-flowing river system of West Kalimantan, supporting transport and riverine communities along its course.

The river traverses forested uplands and expansive lowland floodplains, with settlements, markets and boat traffic concentrated along the middle reaches; river transport remains essential where road access is limited. The Kapuas basin supports diverse freshwater habitats and peatland ecosystems.

Historically the river has been an artery for trade, migration and the cultural life of Dayak groups and other communities in West Kalimantan; towns and trading posts developed along its banks over centuries. Contemporary use combines local transport, fishing, small-scale agriculture and some commercial activities.

The Kapuas rises in the interior highlands of Borneo and flows west across the province of West Kalimantan to the South China Sea at the city of Pontianak, which sits near the river’s delta and has long been a regional hub.

  • Length: At roughly 1,143 kilometres in length, it is the longest river in Indonesia and a principal transport route across West Kalimantan.

What to See #

  • Upper Kapuas: Upper Kapuas - the headwaters and upland tributaries in central Borneo where the river begins among forested highlands.
  • Middle Kapuas: Middle basin - wide meanders and floodplain areas used for transport, fishing and riverside settlements.
  • Delta: Delta at Pontianak - where the river reaches the coast and has historically supported the port and city of Pontianak.
Kapuas River
Kapuas River, West Kalimantan (Borneo), Indonesia
-3.0098, 114.3638

How to Get to Kapuas River #

The Kapuas is the main river of West Kalimantan and the city of Pontianak sits on its banks - Pontianak is the usual gateway for visiting the Kapuas. From Supadio Airport/Pontianak you can reach the riverfront by taxi or local transport; boat services, ferries and river taxis operate from Pontianak’s quays.

To travel along the Kapuas into the interior you typically board river boats or longboats at local ports in Pontianak or other riverside towns; schedules and services vary by route and season.

Tips for Visiting Kapuas River #

  • Use Pontianak or regional river towns as your logistical base: the Kapuas is Indonesia's longest river and most river cruises and wildlife trips start from Pontianak or nearby riverside towns-book boats and transfers in advance as schedules and vessel availability vary.
  • Travel in the drier months for easier navigation and clearer wildlife viewing: water levels affect access and side-channel navigation, so the dry season (roughly mid-year) typically provides more predictable cruising and better chances to see riverine wildlife and village life.
  • Arrange local guides for community visits and night safaris: many memorable experiences-stilt-house settlements, floating markets and nocturnal wildlife-are best seen with a local boat operator who knows the channels, tides and respectful ways to visit settlements along the river.

Best Time to Visit Kapuas River #

For easier river travel and access to riverside communities choose the drier months (roughly May-September); wet months offer higher water levels for different boat routes.

Dry season (easier travel)
May-September · 24-32°C
Lower and more stable river levels make river travel and jungle access easier and wildlife easier to spot along banks.
Wet season (high water)
November-March · 24-32°C
Higher water expands floodplain and allows deeper river navigation and access to inundated forest areas, but expect heavier rain and more mosquitoes.

Weather & Climate near Kapuas River #

Climate

Kapuas River's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 22°C to 33°C. Heavy rainfall (2369 mm/year), wettest in March.

Air Quality: AQI 59 Moderate
Best Time to Visit
AugustJulySeptember
Temperature & Rainfall
Temperature Range
37°
Warmest Month
20°
Coldest Month
Monthly Conditions

January

January is hot, feeling like 31°C with oppressive humidity. Heavy rain (294 mm) and mostly overcast skies.

55 Acceptable

Comfort

31°
Feels Like Hot
27°C
Temperature
23° 31°
89%
Humidity
Very Humid

Weather

294 mm
Rainfall
0.9 m/s
Wind
Calm
2.1
UV Index
Extreme
12.2h daylight

February

February is hot, feeling like 31°C with oppressive humidity. Heavy rain (284 mm) and mostly overcast skies.

55 Acceptable

Comfort

31°
Feels Like Hot
27°C
Temperature
23° 31°
89%
Humidity
Very Humid

Weather

284 mm
Rainfall
1.1 m/s
Wind
Calm
2.1
UV Index
Extreme
12.1h daylight

March

March is hot, feeling like 32°C with oppressive humidity. The wettest month with heavy rain (298 mm) and mostly overcast skies.

57 Acceptable

Comfort

32°
Feels Like Hot
27°C
Temperature
24° 31°
88%
Humidity
Very Humid

Weather

298 mm
Rainfall
1.0 m/s
Wind
Calm
2.2
UV Index
Extreme
12.0h daylight

April

April is hot, feeling like 33°C with oppressive humidity. Heavy rain (256 mm) and mostly overcast skies.

57 Acceptable

Comfort

33°
Feels Like Hot
28°C
Temperature
24° 32°
88%
Humidity
Very Humid

Weather

256 mm
Rainfall
0.9 m/s
Wind
Calm
2.2
UV Index
Extreme
11.9h daylight

May

May is the hottest month, feeling like 34°C with oppressive humidity. Significant rainfall (183 mm) and partly cloudy skies.

65 Good

Comfort

34°
Feels Like Hot
28°C
Temperature
24° 32°
88%
Humidity
Very Humid

Weather

183 mm
Rainfall
1.0 m/s
Wind
Calm
2.0
UV Index
Extreme
11.8h daylight

June

June is hot, feeling like 32°C with oppressive humidity. Significant rainfall (129 mm) and partly cloudy skies.

69 Good

Comfort

33°
Feels Like Hot
28°C
Temperature
23° 32°
88%
Humidity
Very Humid

Weather

129 mm
Rainfall
1.0 m/s
Wind
Calm
1.8
UV Index
Very High
11.8h daylight

July

July is hot, feeling like 31°C with oppressive humidity. Regular rainfall (88 mm) and partly cloudy skies.

73 Very Good

Comfort

31°
Feels Like Hot
27°C
Temperature
23° 32°
87%
Humidity
Very Humid

Weather

88 mm
Rainfall
1.0 m/s
Wind
Calm
1.9
UV Index
Very High
11.8h daylight

August

August is hot, feeling like 31°C with oppressive humidity. Regular rainfall (92 mm).

75 Very Good

Comfort

31°
Feels Like Hot
27°C
Temperature
22° 32°
84%
Humidity
Very Humid

Weather

92 mm
Rainfall
1.4 m/s
Wind
Calm
2.1
UV Index
Extreme
11.9h daylight

September

September is hot, feeling like 31°C with oppressive humidity. Significant rainfall (114 mm) and partly cloudy skies.

71 Very Good

Comfort

31°
Feels Like Hot
28°C
Temperature
23° 33°
82%
Humidity
Very Humid

Weather

114 mm
Rainfall
1.4 m/s
Wind
Calm
2.1
UV Index
Extreme
12.0h daylight

October

October is hot, feeling like 32°C with oppressive humidity. Significant rainfall (135 mm) and partly cloudy skies.

65 Good

Comfort

32°
Feels Like Hot
28°C
Temperature
23° 33°
81%
Humidity
Very Humid

Weather

135 mm
Rainfall
1.4 m/s
Wind
Calm
2.0
UV Index
Extreme
12.1h daylight

November

November is hot, feeling like 32°C with oppressive humidity. Heavy rain (224 mm) and mostly overcast skies.

57 Acceptable

Comfort

32°
Feels Like Hot
28°C
Temperature
23° 32°
85%
Humidity
Very Humid

Weather

224 mm
Rainfall
0.9 m/s
Wind
Calm
2.1
UV Index
Extreme
12.2h daylight

December

December is hot, feeling like 31°C with oppressive humidity. Heavy rain (272 mm) and mostly overcast skies.

55 Acceptable

Comfort

31°
Feels Like Hot
27°C
Temperature
23° 31°
89%
Humidity
Very Humid

Weather

272 mm
Rainfall
0.9 m/s
Wind
Calm
2.0
UV Index
Very High
12.2h daylight

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