| Boralday | |
|---|---|
 The Boralday river in Baydibek District | |
  Mouth location in Kazakhstan | |
| Location | |
| Country | Kazakhstan |
| Physical characteristics | |
| Mouth | Arys |
• coordinates | 42°35′43″N 69°20′44″E / 42.5953°N 69.3455°E |
| Basin features | |
| Progression | Arys→ Syr Darya→ North Aral Sea |
The Boralday (Kazakh: Боралдай, Boraldai) is a river of southern Kazakhstan. It is a right tributary of the Arys, of the Syr Darya basin.[1]
