The starting point of the MTB route is in Udbina municipality. In Udbina there are ruins of Sv Jakov chapel. From the school proceed on the east. After about 800 meters at the junction turn left and proceed on the carriageway to the north course. The carriageway is overgrown in the grass. Pass the pasture rails and descend on the singletrack to the carriageway that leads to Krbavsko Polje field. Pass Krbava stream and proceed on the carriageway to the north east course. At the junction with the paved road turn right and proceed on the paved road. At next two crosses turn left. From the last cross the unpaved road proceeds along the canyon named Kozja Draga to the north east course. After the long unpaved section there is a crossroad. Turn right and proceed on the carriageway to the south west course. The first section is flat and than proceeds the steep ascent on the rocky carriageway along the forest. At elevation of 1525 meters there is the wide turn and an unlabeled junction. I left the bike in the forest next to this junction and hike to the Ozeblin peak. The first section of the hiking trail was not labeled. Went first 150 meters to the west on the steep carriageway/singletrack and then turn to the north along the forest. It took about 20 minutes to Ozeblin peak. 10 minutes before the peak the path joined the labeled hiking path coming from south course. Ozeblin peak is a good sightseeing point with a nice view to Lapačko Polje field. From the last junction proceed on the carriageway and descend to the south course. Turn right at next junction. The carriageway turns into the unpaved road. Follow the GPS tracklog. There are many junctions on the way back to Udbina. Few kilometers before Udbina the unpaved roads turns into the paved road again. For more details check above interactive Map and below Gallery & Notes of the route.

 
Notes & references:

The route is recommended during late spring, summer and fall. Take enough water, there is no springs of water on the route. You can ride the route in opposite direction too. GPS unit with uploaded route is a must.
 
Gallery of mountain biking route: