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Visoke is located in the Bufumbira field, an easterly part of the Virunga volcanic complex located in the western branch of the East African Rift Valley. The lava flows of Visoke date around 0.08 Ma.

Map of Virunga Volcanic Complex
Source of Information:
De Mulder, M.; 1986 K-Ar geochronology of the Karisimbi volcano (Virunga, Rwanda-Zaire; J. Afr. Earth Sci.; p.575-76.