TerravelCameroon · Africa
Lake Nyos
A crater lake cradled by volcanic slopes in Cameroon's remote highlands, where geology writes the landscape's deepest secrets.
Lake Nyos rests high on an inactive volcano's flank in northwestern Cameroon, some 315 kilometers from the capital Yaoundé. A volcanic dam—nature's own barrier—holds back the crater lake's waters, creating a profound blue mirror against the Oku volcanic plain.
This remote caldera sits along the Cameroon line, a belt of volcanic activity stretching across West Africa. The lake's depth and isolation make it a place where the Earth's raw power remains visible, a testament to ancient geological forces still shaping the landscape.
Lake Nyos lies along the Cameroon volcanic line, an active zone of volcanism that extends from the Atlantic Ocean inland through several African nations.
Test yourself
Which African lake is held back by a volcanic dam and sits atop an inactive volcano in a remote caldera?
Lake Nyos in Cameroon is uniquely defined by its location on an inactive volcano's flank, held back by a natural volcanic dam that creates the crater lake—a geological feature not shared by High Atlas (a mountain range), Nyungwe Forest (a rainforest), or Osun-Osogbo Grove (a sacred grove).
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