Which is bigger?
The Bernese Mountain Dog, at 70-115 lbs versus the Spaniel's 35-55 lbs.
Bernese Mountain Dog or Welsh Springer Spaniel? On paper they differ most on exercise need, and on the scales Bernese Mountain Dog is the heavier at 70–115 lbs. Here is how the two compare on everything that shapes an ordinary week.


This is for someone already down to Bernese Mountain Dog and Welsh Springer Spaniel and deciding between them. Because the two are so evenly matched, the page works through every axis rather than leading with one. Both rate 2/5 for flats, so housing does not settle this one. The focus throughout is on daily consequences rather than breed background.
Between Bernese Mountain Dog and Welsh Springer Spaniel, size is the honest dividing line, and Bernese Mountain Dog is the lower-effort dog of the two to keep.
Choose Bernese Mountain Dog if this is your first dog, your walking routine is modest and the dog will be alone during the working day.
Choose Welsh Springer Spaniel if shedding is a problem in your house, a smaller dog suits your car, your home or your back and you want a dog that can keep up with an active routine.
| Feature | bernese mountain dog | welsh springer spaniel | Winner |
|---|---|---|---|
| Size class | large | medium | Equal |
| Weight | 70–115 lbs | 35–55 lbs | Equal |
| Height | 23–27 in | 17–19 in | Equal |
| Lifespan | 7–10 years | 12–15 years | welsh springer spaniel |
| Exercise need | Moderate (3/5) | High (4/5) | bernese mountain dog |
| Grooming need | Moderate (3/5) | Moderate (3/5) | Equal |
| Shedding | High (4/5) | Moderate (3/5) | welsh springer spaniel |
| Energy level | Moderate (3/5) | High (4/5) | Equal |
| Barking | Low (2/5) | Moderate (3/5) | bernese mountain dog |
| Apartment suitability | Low (2/5) | Low (2/5) | Equal |
| Good for first-time owners | High (4/5) | Moderate (3/5) | bernese mountain dog |
| Tolerates being alone | Moderate (3/5) | Low (2/5) | bernese mountain dog |
| Trainability | High (4/5) | High (4/5) | Equal |
| Good with kids | Very high (5/5) | High (4/5) | bernese mountain dog |
| Good with other dogs | Very high (5/5) | High (4/5) | bernese mountain dog |
| Friendly to strangers | High (4/5) | Moderate (3/5) | bernese mountain dog |
| Cost level | High (4/5) | Moderate (3/5) | welsh springer spaniel |
| Coat | Double coat, medium-length | Medium, straight and water-resistant | Equal |
| Origin | Switzerland | Various | Equal |
| Typical monthly cost | $120–$250 | $100–$200 | Equal |
| Typical first-year cost | $1,800–$3,200 | $1,400–$2,900 | Equal |
Line them up and the gap is clear: the Bernese Mountain Dog's 70-115 lbs and 23-27 in frame stands well above the Welsh Springer Spaniel's 35-55 lbs and 17-19 in, making the Bernese roughly double the Spaniel's weight at the low end and nearly triple at the high end. The Spaniel's medium, straight, water-resistant coat also serves a different purpose than the Bernese's insulating double coat — one built for wet-weather fieldwork, the other for cold-mountain draft work. Space and handling logistics will differ substantially between the two despite both being solid, sturdily-built dogs for their size class.
The Welsh Springer Spaniel is the more active breed day to day, rated High (4/5) for both exercise need and energy level against the Bernese's Moderate (3/5) on each. As a flushing spaniel bred for sustained fieldwork, the energetic, even-tempered Spaniel wants a genuine daily outlet — a long walk plus play, or ideally some off-leash time — rather than a short stroll. The calmer Bernese asks for less. Owners without the time for a more demanding daily exercise routine will find the Bernese the easier match of the two.
Grooming ties at Moderate (3/5) for both breeds, but shedding tips toward the Spaniel, rated Moderate (3/5) against the Bernese's High (4/5). The Spaniel's medium, water-resistant coat needs regular brushing to prevent matting, particularly around the ears and feathering, but produces noticeably less loose hair around the house than the Bernese's heavier double coat. Anyone weighing coat maintenance in their decision will find the Spaniel a modest step down in shedding volume, even though the actual brushing routine required is roughly comparable between the two.
Apartment suitability ties at Low (2/5) for both breeds, so neither is a natural fit for compact living regardless of the Spaniel's smaller size. Barking runs slightly higher for the Spaniel, Moderate (3/5) versus Low (2/5) for the Bernese, and alone-tolerance favors the Bernese too, Moderate (3/5) against the Spaniel's Low (2/5). Both breeds do best with real yard space and consistent daily company, but the Bernese has a modest edge for anyone occasionally needing to leave a dog home alone for a few hours.
Trainability ties at High (4/5) for both breeds, and first-time-owner suitability favors the Bernese only slightly, High (4/5) versus Moderate (3/5) for the Spaniel. The loyal, even-tempered Welsh Springer is generally cooperative to train but carries a noted reserved-with-strangers streak in its temperament profile, meaning early socialization matters more than it might for the openly friendly Bernese. First-timers choosing either breed should prioritize consistent obedience work, though the Bernese offers a slightly gentler learning curve for someone new to structured training.
The Bernese edges ahead with kids and strangers — Very high (5/5) versus High (4/5) with kids, and High (4/5) versus Moderate (3/5) with strangers, consistent with the Spaniel's temperament note of being reserved around unfamiliar people. Good-with-other-dogs ties close, Very high (5/5) for the Bernese against High (4/5) for the Spaniel. Households that entertain regularly or want a dog that warms instantly to new faces will likely prefer the Bernese, while the Spaniel's more measured friendliness suits a quieter home that is not looking for an enthusiastic greeter.
The Welsh Springer Spaniel lives notably longer, 12-15 years against the Bernese's 7-10 — potentially a five-year gap at the extremes. Health-wise, the Bernese's list runs twice as long at ten conditions, including Bloat (GDV), Degenerative Myelopathy, and Histiocytosis, while the Spaniel's five flagged concerns include Ear Infections, Epilepsy, and Glaucoma alongside shared Hip Dysplasia risk. The Spaniel's floppy, feathered ears make routine ear checks especially important given how prominently Ear Infections feature on its health list, a maintenance step less central to Bernese care.
The Spaniel is somewhat cheaper to keep, rated Moderate (3/5) for cost against the Bernese's High (4/5), with monthly costs of $100-$200 versus $120-$250 and first-year costs of $1,400-$2,900 compared to $1,800-$3,200. Its smaller size and shorter flagged health list both contribute to that gap, though its water-resistant coat and feathering do call for periodic grooming appointments that add up over time. Overall, the Spaniel represents modest but consistent savings across nearly every cost category in this comparison.
Bernese Mountain Dog weighs 70–115 lbs and lives 7–10 years; Welsh Springer Spaniel weighs 35–55 lbs and lives 12–15 years. No rated axis separates them by more than a single point, which makes this one of the closer pairings on the site. They are level on apartment suitability, grooming need and trainability, so those cannot decide it. The table below marks a winner only where one breed is genuinely easier for a typical owner; size and origin are facts rather than merits and stay level. Ratings come from one source applied to both breeds, so they are meaningful against each other rather than as absolute scores.
Substantially — the Bernese's 70-115 lbs runs roughly double to triple the Spaniel's 35-55 lbs, with a height difference of 23-27 in versus 17-19 in.
The Welsh Springer Spaniel, typically 12-15 years versus 7-10 years for the Bernese.
Only moderately — it is rated Moderate (3/5) and its temperament profile notes it is reserved with strangers, versus High (4/5) for the more outgoing Bernese.
The Welsh Springer Spaniel, rated High (4/5) versus Moderate (3/5) for the Bernese.
The Welsh Springer Spaniel, rated Moderate (3/5) versus High (4/5) for the Bernese.
The Welsh Springer Spaniel, at $100-$200 monthly and $1,400-$2,900 in year one, versus $120-$250 and $1,800-$3,200 for the Bernese.
Ear Infections are flagged on its health list, likely tied to its floppy, feathered ears, making regular ear checks worthwhile.
The Bernese Mountain Dog, at 70-115 lbs versus the Spaniel's 35-55 lbs.
The Bernese Mountain Dog, rated Very high (5/5) versus High (4/5) for the Welsh Springer.
The Welsh Springer Spaniel, rated Moderate (3/5) versus Low (2/5) for the Bernese.
Neither — both are rated Low (2/5) for apartment suitability.






Health information here is general and is not veterinary advice. If your dog shows pain, sudden behaviour change, or worsening symptoms, consult a licensed veterinarian.
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