Calva (river)

The Calva is a right tributary of the river Vișa in Romania.^[1][2] It discharges into the Vișa in Șeica Mare. Its length is 33 km (21 mi) and its basin size is 184 km² (71 sq mi).^[2]

Calva
Location
Country	Romania
Counties	Sibiu County
Villages	Alma Vii, Moardăș, Mihăileni, Buia, Boarta
Physical characteristics
Mouth	Vișa
• location	Șeica Mare
• coordinates	46.0195°N 24.1603°E / 46.0195; 24.1603
Length	33 km (21 mi)
Basin size	184 km2 (71 sq mi)
Basin features
Progression	Vișa→ Târnava Mare→ Târnava→ Mureș→ Tisza→ Danube→ Black Sea
Tributaries
• left	Metiș, Valea Satului