Idrijca

The Idrijca is a river in western Slovenia that flows through the Idrija Hills and Cerkno Hills. It is a tributary of the Soča river.

The area of the upper Idrijca, from its source to the town of Idrijca (a distance of about 30 km), is part of the Krajinski Park Zgornja Idrijca ("Upper Idrijca Natural Park"). Here there are many karst features and an important diversity of plant species.

Geography
The Idrijca river has a length of  and a drainage basin with an area of .

This river is one of the few places where the Marble trout (Salmo marmoratus) is found.

Course
The source of the Idrijca is in Mrzla Rupa, part of the small village of Vojsko in the municipality of Idrija, western Slovenia,  at an altitude of .

From its source, the Idrijca flows to the southeast and then, after its confluence with the Bela river, turns to the northeast. Then, after passing through the town of Idrija, the river turns to the northwest and joins the Soča in Most na Soči, to the south of Tolmin.

The Idrijca passes through the municipalities of Idrija, Cerkno and Tolmin.

Main tributaries 
Most of the tributaries of the Idrijca river are small stream. The most important is the Bača with a length of ; it joins the Idrijca in the village of Bača pri Modreju, in the municipality of Tolmin.

One of the tributaries is the Jezernica river, that is only  long and which originates from the Wild Lake ().

Gallery

Related pages
 List of rivers of Slovenia

 References 

Other websites

 A map of the Idrijca . Geopedia.si online project. Retrieved 30 March 2008.
 Condition of Idrijca  - graphs, in the following order, of water level and flow for the past 30 days (taken in Podroteja by the Slovenian Environment Agency - ARSO)

Category:Rivers of Slovenia