Surface area: 6350 ha

Highest point: 1528 m – Risnjak peak

Lowest point: 290 m –Kupa Valley

Main protection phenomenon: forest and hydrogeological natural monument – Kupa spring

County: Primorsko-goranska

City area: Delnice and Čabar

Characteristics:

- strong climate and vegetation barrier between coastal and continental parts of Croatia.

- the most important example of upland vegetation division in Croatia

- the most beautifully expressed phenomenon of karst sinkhole vegetation

- a natural bond between the Alps and the Balkan mountains

- a natural habitat for all three European large animals (bear, wolf and lynx)

- 1148 flora species and sub-species