| Bolshoy Ashap | |
|---|---|
 | |
| Physical characteristics | |
| Mouth | |
• location | Iren |
| Length | 39 km (24 mi) |
| Basin features | |
| Progression | Iren→ Sylva→ Chusovaya→ Kama→ Volga→ Caspian Sea |
The Bolshoy Ashap (Russian: Большой Ашап) is a river in Perm Krai, Russia, a left tributary of Iren which in turn is a tributary of Sylva. The river is 39 kilometres (24 mi) long. Main tributaries: Bolshaya Rassokha (right).[1]