Lake Matano
Lake Extremely deep tectonic lake on Sulawesi, ancient biodiversity
On Sulawesi, Lake Matano ranks among Indonesia’s deepest lakes, prized for clear water, endemic freshwater species and traditional fishing villages-diving, boat trips and village visits are common activities.
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Lake Matano is a tectonic lake on the island of Sulawesi in Indonesia and is the deepest lake in the country. It is one of the group of Malili lakes on southeastern Sulawesi, notable for high levels of endemic species.
Clear deep waters and steep shorelines characterise the lake; it supports fisheries and research interest because of its unique fauna. Many fish and invertebrate species found there occur nowhere else.
Lake Matano occupies a rift-associated basin formed by tectonic processes and has existed long enough for significant biological endemism to develop. The lake has been used by local communities for fishing and transport for many generations.
The lake lies in South Sulawesi province on the southeastern peninsula of Sulawesi as part of the Malili lakes system, set into hilly terrain surrounding the basin.
- Depth and biodiversity: The deepest lake in Indonesia and part of the Malili lake system, noted for very high levels of endemic freshwater biodiversity.
How to Get to Lake Matano #
Access from Makassar involves a domestic flight or long road travel to the southeast of Sulawesi followed by local roads to the lake; the last stretches are usually on rural roads, so hiring a driver in Makassar or arranging local transport through regional operators is recommended.
Tips for Visiting Lake Matano #
- Hire a local boat with an experienced driver - hidden coves and caves on the shore are best reached this way.
- Talk to elders in the lakeside villages about traditional tales; oral history about early mining and the lake's fishes is rich and specific.
- Bring sunscreen and a hat: sun near the equator is relentless and shade is sparse along exposed shorelines.
Best Time to Visit Lake Matano #
Dry season offers easier access to villages and boat trips; wet season enhances jungle scenery but can complicate roads.
Weather & Climate near Lake Matano #
Lake Matano's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 20°C to 30°C. Heavy rainfall (2087 mm/year), wettest in April.
January
January is warm with muggy conditions (dew point 22°C). Significant rainfall (172 mm) and mostly overcast skies.
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February
February is warm with muggy conditions (dew point 22°C). Significant rainfall (172 mm) and mostly overcast skies.
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March
March is warm with muggy conditions (dew point 22°C). Heavy rain (222 mm) and mostly overcast skies.
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April
April is warm with muggy conditions (dew point 23°C). The wettest month with heavy rain (283 mm) and mostly overcast skies.
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May
May is warm with muggy conditions (dew point 23°C). Heavy rain (247 mm) and mostly overcast skies.
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June
June is warm with muggy conditions (dew point 22°C). Significant rainfall (196 mm) and mostly overcast skies.
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July
July is warm with highs of 28°C and lows of 20°C. Significant rainfall (158 mm) and mostly overcast skies.
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August
August is warm with highs of 28°C and lows of 20°C. Significant rainfall (121 mm) and mostly overcast skies.
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September
September is warm with highs of 29°C and lows of 21°C. Significant rainfall (106 mm) and partly cloudy skies.
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October
October is the warmest month with highs of 30°C and lows of 21°C. Regular rainfall (94 mm) and partly cloudy skies.
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November
November is warm with muggy conditions (dew point 22°C). Significant rainfall (152 mm) and mostly overcast skies.
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December
December is warm with muggy conditions (dew point 22°C). Significant rainfall (164 mm) and mostly overcast skies.
