| Bigach crater | |
| Map: | Kazakhstan |
| Coordinates: | 48.6°N 82°W |
| Diameter: | 8km (05miles) |
| Age: | 5 ± 3 million years |
| Country: | Kazakhstan |
Bigach (from Kazakh: қиғаш, Qiğaş – curved) is an impact crater in Kazakhstan.[1]
It is 8 km in diameter and the age is estimated to be 5 ± 3 million years (Pliocene or Miocene). The crater is exposed at the surface.