Bernese Mountain Dog
The Bernese Mountain Dog is a large, striking tri-colored Swiss breed originally used for drafting, herding, and guarding. Known for their gentle temperament and beautiful coat, Berners are beloved family dogs with tragically short lifespans due to high cancer rates.
6–10
years lifespan
80–115
lbs (male)
25–27.5
inches tall (male)
moderate
energy level
Temperament
How Old Is Your Bernese Mountain Dog in Human Years?
Use our breed-specific calculator to find out, plus get personalised health and care guidance for your dog’s exact age.
Open Bernese Mountain Dog Age CalculatorCommon Health Conditions
Histiocytic Sarcoma
Aggressive cancer of histiocyte cells. Bernese Mountain Dogs have the HIGHEST rate of any breed — 25% of Berners die from this disease.
Typical onset: 4–8 years
Other Cancers (Lymphoma, Mast Cell)
Overall cancer rate in Berners approaches 50% mortality. In addition to histiocytic sarcoma, lymphoma and mast cell tumors are common.
Typical onset: 5–9 years
Hip Dysplasia
Common in giant breeds (~20% per OFA).
Typical onset: 1–4 years
Elbow Dysplasia
~30% affected per OFA.
Typical onset: 0.5–2 years
Bloat (GDV)
Deep-chested breed at risk.
Typical onset: 3–8 years
Lifespan Factors
The median lifespan for a Bernese Mountain Dog is 7.5 years. Key factors that influence longevity:
- histiocytic sarcoma
- other cancers
- hip/elbow dysplasia
- bloat
When Is a Bernese Mountain Dog Considered Senior?
Bernese Mountain Dogs are generally considered senior at around 5 years of age. At this point, you should increase vet visits to twice yearly and watch for age-related health changes.
Check your Bernese Mountain Dog’s age in human years →