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 Mashū Lake Mashū (摩周湖 , Mashū-ko ) (Ainu: Kamuy-to) is a endorheic crater lake formed in the caldera of a potentially active volcano. It is located in Akan National Park on the island of Hokkaidō, Japan. The lake has been called the clearest lake in the world.