Bike or hike the macadam road for 10 km to the crossing to Jakomislje. There, turn left onto a trail going into the beech forest. The trail climbs up to just below the summit of Lukavac (1768 m), where you should turn right to continue on towards Vlaholje. The summit is just 10 minutes away, so you can visit it and come back to the same point.
From here, follow the trail to the next crossing, where you should turn left towards Nenkovci. At the next crossing after that, do not continue to Nenkovci, but turn right to Vlaholje.
The trail descends to Vlaholje and the first houses you pass are Simovica houses (Simovica kuce), where you can stay over night if needed. Near the first house, turn left onto the trail, instead of joining the road going to the houses. This trail brings you a road and there you should turn right, cross the creek and after the cemetery turn left. For the rest of the way, follow that road all the way to Kalinovik and watch for the sign pointing to Vezac if you want to visit it.
In the center of Kalinovik, the trail goes left following the main road towards Sarajevo and Foca.
After the fuel station, you will spot abandoned buildings and structures on the right side of the road. Here, you should turn right through the gate and continue on the road through this ex-military facility to the next gate. The road brings you to open, grassy fields and somewhere near the center of the field there is a nice medieval tombstone necropolis (Stecci) known as Mirkova kosa. It is just a hundred meters from the road, so it is worth visiting.
This dirt road brings you to Jelasca village where this stage of the trail ends. The next stage will continue by following the once regional macadam road towards Cemerno (direction right on the T junction at the end of Jelasca).