How big do Cão de Gado Transmontano dogs get? A How big do Cão de Gado Transmontano dogs get? They can grow up to 80-90 cm (31-35 inches) in height and weigh between 50-70 kg (110-154 pounds). Just Us Dogs2023-04-26T12:44:02+00:00 Share This Post FacebookTwitterLinkedInPinterest