| Dahan River | |
|---|---|
| Origin | Pintian Mountain |
| Mouth | Tamsui River |
| Basin countries | Republic of China |
| Length | 135 km |
| Source elevation | 3100 m |
| Mouth elevation | ?? m |
| Avg. discharge | ?? m³/s |
| Basin area | 1163 km² |
The Dahan River or Takekan River (Chinese: 大漢溪) is a river in Taiwan. It flows through New Taipei City, Taoyuan County, and Hsinchu County for 135 km. It is dammed in Taoyuan County by the Shimen Dam, which forms Shimen Reservoir. The Junghua Dam is 26 km upstream and designed to prevent silt from building up downstream in the Shimen Reservoir.