No special access issues
For the Northern sectors: Park at Hotel Philoxena. Hike up the steep concrete ramp, go through the gate and close it. Follow the trail to Grande Grotta. From there, either go left or right depending where you are heading.
For the Southern sectors: Park near Mike's bikes and go up the road on the left of it. Follow the trail, depending on the sector you're heading for.
The GPS track will help you.