The starting point of the route is Zrmanja Vrelo village. In the center of the village proceed on the unpaved road to the south east course. Pass the bridge over Zrmanja river and climb above Zrmanja valley. At the plateau turn left. Ride to the north near the railway trail Split – Zagreb. At the junction near Otrić village turn right and ride on the highway Knin – Gračac. After the short descent, pass the railway, leave the highway and turn right on the unpaved road. Climb to the west side of the Poštak mountain. The ascent ends with the junction, turn right and ride on the carriageway placed on the north side of Poštak mountain. Keep the ride to the east and than to the south courses. Leave the carriageway at the wide turn and proceed to the south course along the partly disused trail. The hiking is needed. This section is placed mostly on the descent along the forest and meadows. The hiking section is about 2.7km long ending with the rocky section. The singletrack ends near the junction and WWII monument. From WWII monument proceed on the carriageway to the south west course. The rocky carriageway descends to Plavno plateau and village. At Plavno plateau turn right on the paved road and proceed to the south course. At the labeled junction turn right and proceed to Čupkovići village. Climb on the unpaved road to Čupkovići village. At the junction near the railway bridge turn right on the rocky carriageway. The trail leads to the west and than to the north course along the railway Split – Zagreb. At the junction on the plateau turn left and and than descend back to Zrmanja Vrelo village. To visit the springs of Zrmanja river proceed to the north east course. The springs of river Zrmanja are situated about 3km from Zrmanja Vrelo village. 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.  The route is not labeled. GPS unit with uploaded route is a must.
 
Gallery of mountain biking route: