Sherna
| Sherna | |
|---|---|
Sherna at Filippovskoye  | |
| Native name | Шерна (Russian) | 
| Location | |
| Country | Russia | 
| Physical characteristics | |
| Mouth | Klyazma | 
 • coordinates  | 55°50′42″N 38°34′27″E / 55.84500°N 38.57417°E | 
| Length | 89 km (55 mi) | 
| Basin size | 1,890 km2 (730 sq mi) | 
| Basin features | |
| Progression | Klyazma→ Oka→ Volga→ Caspian Sea | 
The Sherna (Russian: Ше́рна) is a river in Vladimir and Moscow Oblasts in Russia. It is a left tributary of the Klyazma. It has a length of 89 km, and a drainage basin of 1890 km². The river is formed by the confluence of the rivers Seraya and Molokcha.