The Koritnica (pronounced [kɔˈɾiːtnitsa]; Italian: Coritenza^[1]), with a length slightly over 16 kilometers (9.9 mi), is a right tributary of the Soča River.^[2] It flows west through the Log Koritnica Valley (Slovene: Loška Koritnica) south of Mount Mangart and then turns south near Log pod Mangartom, flowing past the Kluže Fortress and through the 70-meter (230 ft) deep and 200-meter (660 ft) long Kluže Canyon (korita Kluže), also known as the Koritnica Canyon (korita Koritnice).^[3] It empties into the Soča southeast of Bovec.

Koritnica
Location
Country	Slovenia
Physical characteristics
Source
• location	Julian Alps, south of Mount Mangart
Mouth
• location	Soča River, southeast of Bovec
• coordinates	46°19′48.74″N 13°34′31.67″E / 46.3302056°N 13.5754639°E / 46.3302056; 13.5754639
Basin features
Progression	Soča→ Adriatic Sea