In Grabovača one is able to uncover the inappreciable affluence of underground karstic forms, 1/4 of the total number of protected speleological objects in Croatia. It consists of three caves which are on the list of protected national geomorphologic monuments of nature: cave Samograd, Medina and Amidžina cave.

The cave Samograd, which with its magnificent arched ceilings, bridges and balconies leaves one breathless, is open for visiting. Cave is 345m long and consists of four large halls.

On the outer edges of the park flows river Lika. The Lika River is the longest sinking river in  Croatia, 78 kilometres long, which makes it the second largest sinking river in Europe. 

Walking through the park on almost every step we can find a greater or smaller  record of the past.
Except natural, this park abounds with cultural and historical heritage. Old town of Perušić, first time mentioned in 1071. is also in the boundaries of the park. In the last few years, arheological excavations collecetd valuable movable material that shows that the Old town of Perušić fort is one of the rare forts in this area that survived  Ottoman occupation.  The Old town of Perušić  is localy known as “Turkish tower”. Only 50 meters northwest from the Old town is the medieval gothic church of the Exaltation of the Holy Cross, which uniqueness is that during the rule of the Ottoman empire this catholic church was converted into mosque. 
 
There are many values in the Cave park Grabovača and it is impossible in just few lines to summerize all of it, anyone can easily conclude  that this area is remarkable blend of natural resources and human history that deserve care and protection. 
 
Since Grabovača is extremely visited, the park developed numerous and varied facilities for visitors - from educational trails, educational programs, sports fields to large tourist attractions such as cave Samograd, sightseen "Ploče" to the medieval site  Old Town Perušić and Gothic church of  the Exaltation of the Holy Cross. 

Cave Park Grabovača is located near important traffic routes:
- state road D-50 between Otočac and Gospić, in town of Perušić
- motorway A1 Zagreb-Split, exit Perušić, 2,5 km from the centre of Perušić.

Visiting the cave Samograd and the rest of the park is possible during the spring, summer and autumn season.
From 01. April to 31. May the entrance to the cave Samograd is possible every day from 09:00 to 17:00 hours.
From 01. June-31. August entrance to the cave is possible every day from 09:00 to 20:00 hours.
From 01. September to 30. November the entrance to the cave is possible every day from 09:00 to 17:00 hours.
December, January, February and March according to previous announcement!