Verno is a forested mountain range in the southern part of the
Florina and the northeastern part of the
Kastoria regional units in northern
Greece. The elevation of its highest peak, Vitsi, is . It stretches from the village
Trivouno in the northwest to
Kleisoura in the southeast, over a length of about . The nearest mountains are the
Askio to the southeast, the
Baba to the north and the northern
Pindus to the southwest. It is drained towards the river Sakoulevas (a tributary of the
Crna) to the northeast, and towards the
Aliakmonas and
Lake Kastoria to the southwest.