Which ultra-deep tectonic freshwater lake in South Sulawesi reaches a maximum depth of 590 meters, making it the deepest lake in Indonesia?
Answer and explanation
Correct answer: C. Lake Matano
- Step 1: Lake Matano in East Luwu Regency, South Sulawesi, drops to a maximum depth of 590 m (1,940 ft). Step 2. Its lake bottom lies roughly 208 m below sea level (cryptodepression), and it harbors ancient endemic fish species. Answer: Lake Matano. Why not the others: Lake Towuti is larger in surface area but shallower (203 m depth).
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