Thiền Quang Lake
| Halais Lake | |
|---|---|
 | |
  Halais Lake | |
| Location | Hanoi |
| Coordinates | 21°01′06″N 105°50′44″E / 21.018429°N 105.845543°E |
| Basin countries | Vietnam |
Halais Lake is a lake in Hanoi, Vietnam, located next to Nguyễn Du Street, which used to be named "Rue Halais" under the French (1888-1945), hence the name "Halais". According to Vietnamese sources, it should be spelled "Halais Lake",[1] the French name for the lake called "Hồ Thiền Quang" in Vietnamese.