Arieș
Tributary
The Arieș is a left tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in Gura Arieșului, 11 km southwest of Luduș. Its total length is 166 km, and its drainage basin area is 3,005 km².
Most probably "Arieș" means... Wikipedia
Source: Bihor Mountains
Length: 103 mi
Cities: Baia de Arieș, Câmpeni, Turda, and more
Basin size: 3,005 km2 (1,160 sq mi)