Karisimbi group is found in Volcanoes National Park in Rwanda and is led by the Silverback Nyagakangaga. Karisimbi group was formed after the split of the main SUSA group on June 28th, 2009. On this day Nyagakangaga who was among several subordinate Silverbacks took 13 individuals and moved away to form his own group referred as SUSA B then. It was later named Karisimbi in 2010 at the gorilla naming ceremony – Kwita Izina. The group was named Karisimbi because; it ranges from within and around Karisimbi Mountain in Volcanoes National Park. Unfortunately/fortunately, another faction broke away from Karisimbi on April 10th, 2012 to form another group called Isimbi. Karisimbi group was last seen on October 7th 2016 before it crossed the border to DRC. At the time it crossed it had a total of 10 individuals in the group.