Gorilla Families in Volcanoes National Park include some of the most fascinating mountain gorilla groups on the planet, each with its own personality, history, and dominance dynamics. From the famous Susa family, once studied by Dian Fossey, to the friendly Kwitonda group and the energetic Agashya family, these gorilla families offer travelers an intimate glimpse into Rwanda’s rich primate heritage. Exploring them adds depth and meaning to every trek in Volcanoes National Park.
Here are some of the notable gorilla families
Susa Family (Susa A)
Size: This is one of the largest families with around 28 members.
Notable Members: Originally studied by Dian Fossey, it includes several silverbacks.
Highlights: Known for twins Byishimo and Impano. This family typically stays at higher altitudes, making the trek more challenging.
Karisimbi Family (Susa B)
Size: Approximately 15 members.
Notable Members: Split from the original Susa family.
Highlights: Often found on the slopes of Mount Karisimbi, hence the name. This family is known for its adventurous nature and mobility.
Amahoro Family
Size: About 17 members.
Notable Members: Led by the peaceful silverback Ubumwe.
Highlights: Amahoro means “peace” in Kinyarwanda, reflecting the group’s calm nature. However, reaching them can be challenging due to steep terrain.
Umubano Family
Size: Around 13 members.
Notable Members: Split from the Amahoro family.
Highlights: Led by the dominant silverback Charles. The name “Umubano” means “neighborliness” or “living together,” reflecting the family’s strong bond.
Sabyinyo Family
Size: Approximately 13 members.
Notable Members: Led by the massive silverback Guhonda, one of the largest known gorillas.
Highlights: This group is easier to trek as they live in the gentle slopes of Mount Sabyinyo. Guhonda is famous for his impressive size and leadership.
Agashya Family (Group 13)
Size: Around 25 members.
Notable Members: Led by the silverback Agashya, who took over from the original leader Nyakarima.
Highlights: Agashya is known for his strategic and protective nature. This family is often found near the Sabyinyo group, and the trek is usually moderate.
Kwitonda Family
Size: Approximately 18 members.
Notable Members: Named after the late dominant silverback Kwitonda.
Highlights: Known for being very mobile and often roaming the slopes of Mount Muhabura, making the trek challenging.
Hirwa Family
Size: About 16 members.
Notable Members: Originally formed by members from Sabyinyo and Group 13.
Highlights: Hirwa means “lucky,” and the family is known for its calm demeanor. It includes twins, which is rare among gorilla families.
Bwenge Family
Size: Approximately 11 members.
Notable Members: Led by the silverback Bwenge.
Highlights: The family name means “wisdom.” Featured in the movie “Gorillas in the Mist.” They typically inhabit the slopes of Mount Karisoke
Ugenda Family
Size: About 11 members.
Notable Members: Led by the silverback Ugenda.
Highlights: “Ugenda” means “mobile,” reflecting their frequent movements. They are often found on Mount Bisoke.
Each gorilla family has its unique story, leadership dynamics, and location preferences within the park. The experience of trekking to meet these families can vary significantly depending on which group you are assigned to, with some treks being more challenging than others due to the gorillas’ movements and habitat.
What is the life span for Gorillas?
Gorillas have a lifespan that varies slightly between those living in the wild and those in captivity.

Here are the details
Wild Gorillas
Average Lifespan: Gorillas in the wild typically live between 35 to 40 years.
Factors Affecting Lifespan: Their lifespan is influenced by various factors, including predation, disease, accidents, and food availability.
Oldest Recorded Wild Gorilla: The oldest recorded wild gorilla lived to be around 50 years old.
Captive Gorillas
Average Lifespan: Gorillas in captivity can live longer, often reaching between 50 to 60 years.
Factors Affecting Lifespan: In captivity, gorillas benefit from regular veterinary care, a steady food supply, and a lack of predators, which contribute to their longer lifespan.
Oldest Recorded Captive Gorilla: The oldest recorded gorilla in captivity is Colo, a western lowland gorilla, who lived to be 60 years old at the Columbus Zoo in Ohio, USA.
Factors Influencing Lifespan
Health and Disease: Gorillas are susceptible to diseases such as Ebola, respiratory infections, and parasites, which can significantly impact their lifespan.
Habitat and Environmental Conditions: Habitat loss and environmental changes can affect food availability and increase stress, potentially reducing their lifespan.
Human Impact: Poaching, habitat destruction, and human-wildlife conflict are major threats to gorilla populations in the wild.
Life Stages
Infancy: From birth to around 3 years old. Infants are highly dependent on their mothers.
Juvenile: From 3 to 6 years old. Juveniles are weaned and more independent, but still stay close to their mothers.
Adolescence: From 6 to 10 years old. Young gorillas start learning social skills and their place in the group.
Adulthood: From around 10 years onwards. Gorillas reach sexual maturity, and males, in particular, may leave their natal group to form their own or join other groups.
Old Age: Older gorillas may become less mobile and rely more on their social group for support.
Gorillas, both in the wild and in captivity, have complex social structures and rich emotional lives, making their conservation and care critical for their continued survival and well-being.

Final Thought
Ready to meet Rwanda’s gentle giants? Book your gorilla trekking adventure today and experience the unmatched thrill of encountering these iconic gorilla families in their natural habitat.