how long does it take to hike mount mikeno

Mount Mikeno is 4437 m above sea level and situated completely in the land of mountain gorillas in Virunga National Park, which harbors fertile soils along the slopes. Devine African Safaris
Mount Mikeno is among the Virunga chain volcanoes, though it is dormant. It derives its name from the harsh slopes, which mean "poor."
Mount Mikeno is a 3–4-hour drive from Kigali since it is not far from the Rwanda–Democratic Republic of the Congo border.
NOTE:
Tourists are required to get a visa and yellow fever card to access Rwanda and the Democratic Republic of Congo