Kolsuz is a mountain pass in Niğde Province, Turkey
Kolsuz is situated next to a village with the same name on the highway D.805 connecting Niğde to the Mediterranean coast. It is to Niğde and to the D.750 highway, the main north to south highway in Central Anatolia which D.805 merges to. The coordinates are and the elevation is .
Çaykavak Pass a slightly higher pass lies at the south. The north of Kolsuz pass is generally composed of high plains, typical of Central Anatolia.