Musanze caves are situated within the park and are triggered by volcanic eruption, which created an underground area that is wide enough for people to enter/access the inside. They are two kilometres long with walks and stairs which take you to the dark cave interior. The trek to the Musanze Cave, can be done as supplement to gorilla trekking in volcanoes national park. after morning gorilla trekking, you can also take time and visit the Musanze caves, it’s worth visiting.