| Menzelya | |
| Pushpin Map: | Russia Tatarstan |
| Pushpin Map Caption: | The river mouth on the map of Tatarstan |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Subdivision Type2: | Republic |
| Subdivision Name2: | Tatarstan |
| Length: | 159km (99miles) |
| Discharge1 Max: | 215m3/s (1979) |
| Source1 Location: | Novy Menzelyabash, Sarmanovsky District, Tatarstan |
| Mouth Location: | Nizhnekamsk Reservoir (formerly Ik (river)) |
| Progression: | Nizhnekamsk Reservoir→ |
| Basin Size: | 2120km2 |
The Menzelya (ru|Мензеля; tt-Cyrl|Минзәлә) is a river in Tatarstan, Russian Federation, a former left-bank tributary of the river Ik, which flows into the Nizhnekamsk Reservoir. It is 159km (99miles) long, and its drainage basin covers 2120km2.[1]
The river's source is at the village, Sarmanovsky District, Tatarstan. Major tributaries are the,,, rivers.
The maximal mineralization is 400-800 mg/L. The average sediment deposition at the river mouth per year reaches 100mm. The maximal discharge is 215m3/s. Drainage is regulated. Since 1978 it is protected as a natural monument of Tatarstan.
The town of Menzelinsk is located near the river's mouth. The notable landmark of the river and the town is an abandoned railway bridge, where the railway was never installed.