The giant groundsels are found in the alpine zone of the mountains of equatorial East Africa - Mount Kilimanjaro and Mount Meru in Tanzania, Mount Kenya, the Aberdare Range, and Cherangani Hills in Kenya, Mount Elgon on the Uganda/Kenya border, the Rwenzori Mountains on the Uganda/Democratic Republic of Congo (DRC) border, the Virunga Mountains on the borders of Rwanda, Uganda and the DRC, and Mitumba Mountains (Mount Kahuzi and Mount Muhi) in the east of the DRC.