Mergupe river
The Mergupe river is the left confluence of the Lielā Jugla in the counties of Cēsis, Sigulda and Ogre. It flows from Būnēni lake in Nītaure parish.
| Mergupe river | |
| Source | Būnēni Lake |
| Mouth | Lielā Jugla River |
| Flows through | Latvia |
| Length | 53 kilometers |
| Source elevation | 260 metre(s) |
| River mouth elevation | 66.9 metre(s) |
| Slope | 140 metre(s) |
| Annual runoff | 0,1 km³ |
| Basin size | 285 km³ |
| Main tributary | Zaube River |
