| Arieşul Mic River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Alba County |
| Villages | Avram Iancu, Vidra |
| Source | |
| - location | Bihor Mountains, Mount Curcubăta Mare |
| - elevation | 1,494 m (4,902 ft) |
| - coordinates | |
| Mouth | Arieş |
| - location | Lake Mihoeşti near Câmpeni |
| - elevation | 570 m (1,870 ft) |
| - coordinates | |
The Arieşul Mic River (Hungarian: Kis-Aranyos) is a river in the Apuseni Mountains, Alba County, western Romania. It is the right headwater of the river Arieş. It flows through the villages Avram Iancu and Vidra, and joins the Arieşul Mare (the other headwater) near Câmpeni. It is fed by several smaller streams, including Micoiu, Libărţana, Valea Boului, Drăghiţa, Râul Peştelui, Gomboş, Ciucileni, Slatina, Valea Lungă, Divaia, Cioha, Păltiniş, Dobrani, Vidrişoara and Pleşcuţa.