Very big, and nice place, big XC-potential. Very strong thermals in sunny days.
Access
Drive over the interntional E79 road Sofia-Kustendil. There is a police station and gas-station aprox. 20 km after village of Izvor - there one should turn left, to the TV-tower. Dirty road driving for another 10 km, and when road ends and TV-tower is next by you, leave the car and walk to the start - 200 meters.
Rules
Open air. No operational airfields in surrounding 25 km.