Seih Sou or Seikh Su (Σέιχ Σου, from Turkish: Şeyh Su, meaning the Sheikh's Water), also known as Kedrinos Lofos (Greek: Κέδρινος Λόφος, Cedar Hill), is a hilltop forest just to the north and northeast of the city of Thessaloniki, Greece, that rises to the west of Mount Chortiatis. The forest covers 2,979 hectares (7,361 acres) and reaches an elevation of 563 meters (1,847 feet).[1]