The IBA lies in the middle of a large karst depression in the western and southern part of the Ribnica valley, and approximately 50% of the area is wet meadows and grasslands near the streams Bistrica, Sajevec, Ribnica and Obrh. Streams in the area are partly regulated. Besides nearly ten smaller villages, the only town is Ribnica. Some fields have been abandoned and are in the initial stages of succession to scrub and forest.
An important site for breeding Crex crex and one woodland species. Significant proportion (³1%) of national population breeding at site: Jynx torquilla (30-40 pairs), Picus canus (10-15 pairs). The site is of national importance for migrating birdsnumerous ducks, gulls and birds of prey rest on the water surface at Prigorica.
BirdLife International (2020) Important Bird Areas factsheet: Ribnica valley. Downloaded from http://www.birdlife.org on 01/06/2020.