| Sos River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Harghita County |
| Villages | Băile Seiche |
| Mouth | Fehéres |
| - location | Odorheiu Secuiesc |
The Sos River is a tributary of the Fehéres River, in Romania. The river is channelized on the reach which crosses the localities of Băile Seiche and Odorheiu Secuiesc