'Bergrutsch' was a German operation again the partisan forces of Marshal Josip Broz Tito in the Knin and Benkovac areas of the puppet state of Croatia within German-occupied Yugoslavia (15/17 July 1944).

The operation was undertaken by elements of General Ernst von Leyser’s XV Gebirgskorps (1^st Regiment 'Brandenburg', 92^nd Regiment (mot.), five battalions of Generalleutnant Eduard Aldrian’s 373^rd Division [kroatisch], and an assortment of Ustase and Četnik groups from Knin, Sibenik and the Cetina valley), and engaged the Yugoslav 19^th 'Dalmatia' Division in Bukovica and the eastern part of the Velebit mountain range.

After learning about German plan, the Yugoslav VIII Corps ordered its 9^th 'Dalmatia' Division and 20^th 'Dalmatia' Division to take advantage of the resulting weakening of the Axis garrisons in the Cetina valley and on the road to Bosansko Grahovo.