- Source: Derna (river)
The Derna is a right tributary of the river Valea Fânețelor in Romania. It flows into the Valea Fânețelor in Sărsig. Its length is 13 km (8.1 mi).
The Derna is a right tributary of the river Valea Fânețelor in Romania. It flows into the Valea Fânețelor in Sărsig. Its length is 13 km (8.1 mi).