Three Longest Rivers in Indonesia
- Kapuas River: ~1,143 km, West Kalimantan to South China Sea, basin 97,900 km².
- Barito River: ~900 km, Central Kalimantan to Java Sea, basin 56,000 km².
- Mahakam River: ~920 km, East Kalimantan to Makassar Strait, basin 77,100 km².