| Hopârta River (Háporton-patak) | |
| (Râtu River) | |
| River | |
| Countries | Romania |
|---|---|
| Region | Transylvania |
| Counties | Alba County |
| Tributaries | |
| - left | Odverem |
| - right | Gorgan, Băgău |
| Villages | Hopârta, Lopadea Nouă, Ciumbrud |
| Mouth | Mureş |
| - location | Ciumbrud |
The Hopârta River or Râtu River ( Hungarian: Háporton-patak ) is a tributary of the Mureş River in Transylvania, Romania.