The starting point of the mountain bike route is Trakošćan castle. Follow the labeled trail with red/white circles to the north west course. The first section is muddy until you reach the crossroad in the  Kotarščaki village. The village is bellow the ridge of Ravna Gora mountain. Proceed to the west on unpaved road. Follow the direction of the ridge. There are many short ups and downs on paved or unpaved roads. On all crossroads proceed to keep the west course. You will pass through the small villages and the section ends with the long descent to the crossroad with the paved road near the Kamenica stream. Turn left on the crossroad and proceed to the north course. The labeled trail follows to the ridge. On the left side of the road is Kamenica stream. After few kilometers the paved road turns into the unpaved road. At the ridge there is Filić hut at the elevation level of 640m over the sea. On the ridge follow the carriageway to the north east course. Near the trail there is Tri Kralja church and the second hut named Pusti Duh on Ravna Gora mountain. On Map and in Elevation profile the route is described as the point to point route. You can use the same way to ride back to Trakošćan castle. There are other trails for come back. For more details check above interactive Map and below Gallery of the route.