Seydisuyu River

General data
- Water type: River
- Progression: Sakarya River -> Black sea -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: Asia
- Countries: Turkey
Description
Seydisuyu (also spelled Seydi Suyu) is a 40 km long river in Eskişehir Province, Turkey. It is a branch of Sakarya. Çatören Dam is built on Seydisuyu. It also runs through the town of Doğançayır.