Is Dal Lake or Lake Nyos located next to a volcano?
Lake Nyos Lake Nyos is a crater lake in the Northwest Region of Cameroon, located about 315 km northwest of Yaoundé. Nyos is a deep lake high on the flank of an inactive volcano in the Oku volcanic plain along the Cameroon line of volcanic activity. A volcanic dam impounds the lake waters.
Lake Martignano Lake Martignano (Italian: Lago di Martignano), is a small lake in Lazio, Italy 15 mi north-north-west of Rome, in an extinct crater or maar.