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20. Chinook

The Chinook is a formidable working dog bred in the United States for sledding and hauling. Males weigh up to 90 pounds and stand 26 inches tall. Loyal, patient, and bright, they’re easy to train. Developed in New Hampshire by Arthur Treadwell Walden, Chinooks blend sled dog endurance with mastiff power. Their tawny coats and warm personalities make them distinctive. Gentle with family, especially kids, they thrive on regular activity and mental challenges. Their eagerness to please and sharp mind make them exceptional, trainable companions.