The 22 mile long Frunzis flows into the 54 mile long Teuz river that discharges into the Crisul Negru.
Its length is 35 km (22 mi) and its basin size is 153 km (59 sq mi). The Frunzis (also: Leveles) is a right tributary of the river Teuz in Romania. Its length is 87 km (54 mi) and its basin size is 725 km (280 sq mi). It discharges into the Crisul Negru in Tamasda. 
