Democratic Republic of Congo / Rwanda 1.47 S, 29.492 E summit
elevation 3711 m Visoke Volcano is located on the Democratic
Republic of Congo / Rwanda border. The volcano contains a
450-m-wide lake in the summit crater. An eruption in 1957 formed
two small cones on the north flank, 11 km from the summit.
Visoke volcano - John Seach A field of cinder cones is located
between Visoke and Sabinyo volcanoes. The volcano has produced
leucitite, olivine nephelinite, basanite and hawaiite lavas.
Visoke leucitites exhibit a relatively restricted compositional
range. No recent eruptions. In 1957 an eruption occurred at
Mugogo volcano, 11 km north of the summit.