Between 1979 and 2003, the site was listed as endangered due to the damage caused by the 1979 Montenegro earthquake. Minor modifications of the site boundaries took place in 2012 and 2015.[9] Durmitor National Park Žabljak 1980 100; vii, viii, x (natural) Durmitor is a limestone massif that is part of Dinaric Alps. It was shaped by the glaciers and is traversed by river canyons, of which the Tara River Canyon has the deepest river gorges in Europe, at about 1,300 meters (4,300 feet).