From Leonidio follow the road going up to Baskina (Vaskina), on 5th big turn take the dirt road for about 150 m, park.
Walk up follow red marks and the bed of the river (dry nearly all time), 10 min then turn left follow the old stones path to the ruins at the bottom of the crag, 10 min, total 20 min.
Or
From Leonidio follow the road going up to Baskina (Vaskina), on 6th big turn (Hot Rock), park. Walk follow the road 150 m to the old refrigerator truck, then follow left the path to the dry bed of the river the then turn left follow the old stones path to the ruins at the bottom of the crag, total 30 min.