Mount Maru (Esan)
Mount Maru is an active stratovolcano of the Kameda peninsula. It is located in Hakodate, Hokkaidō, Japan. Mount Maru is also known as Esan Maruyama to distinguish it from other Mount Maru's and because of its close association with nearby Mount E.Geology
Mount Maru consists of non-alkali, mafic, volcanic rock. The andesitic volcano is topped with a lava dome.Mount Maru was last active some 200,000 years ago.
