Just read the story of the dog who was presumed dead and found after 53 days. Oscar means the world to me, I don’t know what I wouldn’t do if he went missing, search parties being only the start. What would you do?
One of the good things about Greater Swiss Mountain Dogs (most of the time) is they are known as velcro dogs and like to stick by their owners. But dogs can be dogs. The second link below leads to the story of the Bernese Mountain Dog who ran away right before Westminster Kennel Club.