Chinook
Working Group · Purebred · New Hampshire's gentle giant sled dog — once the world's rarest breed, now a thriving family athlete
55–90 lbsWeight
21–27 inHeight
12–15 yrsLifespan
Moderate–HighEnergy
Working Group · Purebred · New Hampshire's gentle giant sled dog — once the world's rarest breed, now a thriving family athlete
Watch this video for a quick overview of the Chinook — see the breed in action before diving into the details below.
The Chinook is America's only native sled dog breed and one of the most remarkable survival stories in the dog world. The entire breed traces to a single tawny male dog named Chinook, born in 1917 on the New Hampshire farm of musher Arthur Walden. Chinook — whose name comes from the warm winter wind — was the product of a Mastiff-type dog crossed with Walden's Greenland husky sled team, and he proved to be an extraordinary draft dog: powerful, fast, and possessed of an exceptional "lead dog" temperament that he passed to his offspring with remarkable consistency. Walden used Chinook and his descendants on Admiral Byrd's first Antarctic Expedition in 1928, where the breed proved itself under the most extreme conditions on Earth.
After Walden's death, the breed nearly vanished — by 1981, the Guinness Book of World Records listed the Chinook as the world's rarest dog breed, with only 28 individuals known worldwide. A small group of dedicated breeders mounted a recovery effort, and the Chinook has since grown to a stable (if still small) global population. AKC recognized in 2013. The modern Chinook is a tawny, large-to-medium dog with a deep chest, floppy ears, and a calm, affectionate temperament — combining working sled dog endurance with the gentle giant personality of a mastiff-influenced breed. They are exceptional family dogs for active households who can meet their exercise needs.
Real Chinooks — browse photos showcasing their look, size, and personality.
Chinooks are known for being confident and protective. They form deep bonds with their families and thrive on consistent human connection. As a high-energy breed, they are best matched with active owners who enjoy outdoor activities and can commit to regular exercise.
Training is generally a pleasure with Chinooks — they are responsive, motivated, and pick up commands quickly. They are typically gentle and patient with children, making them a reliable family companion.
Chinooks are high-energy dogs that need significant daily exercise to stay physically and mentally healthy. Without adequate activity they can become restless, vocal, or destructive. They are happiest with owners who genuinely enjoy an active lifestyle.
Chinooks have a dense double coat built for protection against the elements. They shed year-round with two major blow-out seasons in spring and fall. Regular brushing dramatically reduces the amount of hair around your home and keeps the coat healthy.
Chinooks are highly responsive to training and genuinely enjoy learning. Their combination of intelligence and eagerness to please makes them a joy to work with — they pick up new commands quickly and retain them well.
Keep training sessions varied and engaging to prevent boredom. Chinooks can handle advanced training — agility, nose work, therapy work, or competitive obedience are all excellent options for channeling their intelligence.
Chinooks are generally robust dogs but like all breeds they carry some genetic predispositions. Responsible breeders screen breeding stock for the most common conditions, significantly reducing risk in puppies from health-tested parents.
A Chinook is ideal for active families or individuals who genuinely enjoy outdoor activities and can commit to daily vigorous exercise. Their trainability makes them approachable for first-time owners who are prepared for an engaged lifestyle. Not the right fit for sedentary households or those with very limited time for exercise.
Chinooks need consistent, well-portioned meals matched to their life stage. Overfeeding is one of the biggest health risks for any dog — use these guidelines and adjust based on your dog's activity level and body condition.
These are general guidelines for a large-breed dog. Always check the feeding instructions on your specific food brand, and adjust based on activity level and body condition score.
Look for dog foods where the first ingredient is a named protein — chicken, beef, salmon, or lamb. Large-breed formulas are calibrated for their metabolism and nutritional needs.
These common human foods can be toxic — even life-threatening — for dogs. Keep them safely out of reach at all times.
Always bring your Chinook's regular food when boarding. Switching food suddenly can cause digestive upset. Provide the facility your exact feeding schedule and portion sizes.
The upfront cost of a Chinook is just the beginning. Here's a realistic breakdown of what to expect — both to acquire one and to own one for their lifetime.
Beyond the purchase price, owning a Chinook costs between $150–$300 per month on average. Here's where the money goes:
Over a 8–12 year lifespan, a Chinook typically costs between $15,000–$28,000 total — depending on health, lifestyle, and the services you use.
Pet insurance is worth considering for any breed. Buying before your dog turns 1 gives the best rates and fewest pre-existing condition exclusions. Compare 2–3 providers before committing.
Because Chinooks have such wonderful traits, they're a popular choice for intentional mixed breeding. Here are the most common — and most loved — Chinook crosses.
Chinook × Siberian Husky. Two sled dog breeds — athletic, double-coated, striking northern athlete.
Chinook × Labrador. Friendly, devoted, large family dog with tawny warmth and retriever temperament.
Chinook × Golden Retriever. Two gentle, devoted, tawny-gold large family companions combined.
Chinook × Alaskan Malamute. Two powerful freight-hauling northern breeds — massive, loyal, working.
Chinooks are full of surprises. Here are some of the most fascinating, funny, and heartwarming facts about this breed.