Stargach is a border mountain, situated between Bulgaria and Greece. It is located east of Slavyanka mountain, west of Beslen hill, south of Pirin Mountains and north of Kato Novrokopi valley.
With its round outlines, Stargach is a reduced copy of Slavyanka mountain. Its highest peak is situated in Greece territory – Kulata peak (1,270 m.). The highest peak in Bulgarian territory is Asenov peak (1,218 m.)
Stargach is a horst, formed of metamorphic rocks – marble, gneiss and mica. There are also granite and quartz at some places.
Stargach flora consists of bushes: ash (Flaxinus ornus), hazelbush (Corylus avellana), juniper, lilac. There is beech at the highest areas of the mountain.
Stargach fauna consists of: wild cat, wild boar, hare.
Nearby villages are Ilinden and Nova Lovcha.