Side-by-side comparison of two popular breeds — temperament, exercise, grooming, lifespan and common health issues. Use it to decide which breed fits your home.
The Pyrenean Mountain Dog (Great Pyrenees) (38–60 kg, 10–12 years) and the Saint Bernard (64–82 kg, 8–10 years) sit in different — or sometimes overlapping — corners of dog ownership. Here's how they really compare for an everyday Irish or UK family.
Both breeds have similar energy demands — Saint Bernard tips slightly higher but neither is a couch dog.
Both have manageable grooming routines — the Pyrenean Mountain Dog (Great Pyrenees) demands slightly more, but neither needs daily fuss.
Insurance premiums for breeds with brachycephalic, joint or cancer predispositions run 20–40% above average — check before you commit. We have a free quote calculator here.
 Pyrenean Mountain Dog (Great Pyrenees) |
 Saint Bernard |
|
|---|---|---|
| Group | Working | Working |
| Origin | France / Spain | Switzerland |
| Weight | 38–60 kg | 64–82 kg |
| Height | 65–82 cm | 66–76 cm |
| Lifespan | 10–12 years | 8–10 years |
| Energy level | ||
| Trainability | ||
| Grooming needs | ||
| Good with kids | ||
| Good with other pets | ||
| Hypoallergenic | ||
| Watchdog instinct | ||
| Novice-owner OK |
Pyrenean Mountain Dog (Great Pyrenees)Calm, gentle, courageous, nocturnally watchful.
45 minutes of daily walking. Cool conditions.
Heavy double coat. Brush 3× weekly, daily during seasonal moults.
Hip and elbow dysplasia. Bloat / GDV. Patellar luxation. Bone cancer.
Full Pyrenean Mountain Dog (Great Pyrenees) profile →
Saint BernardGentle, patient, friendly, quiet. Saints are renowned for their tolerance with children and other animals. They're slow to mature mentally — expect puppy behaviour for years.
45–60 minutes of moderate daily exercise in cool weather. Heat-sensitive — limit summer exercise.
Long-haired and short-haired varieties. Long: brush 3× weekly. Short: weekly brush. Drool requires bibs.
Hip and elbow dysplasia. Bloat / GDV. Cardiomyopathy. Cancers. Wobbler syndrome. Heat stroke.
Full Saint Bernard profile →Rural / suburban families, livestock-guarding homes.
Families with children, large homes, cool climates.
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