Unpowered horn sound across 20 miles of open space between mountain peaks. Usually the alpenhorn is just used to call the cows down from the upper pasteur. They hear, then they come on their own, no wrangling needed. – ROBERTFENTONGARY.com

Unpowered horn sound across 20 miles of open space between mountain peaks. Usually the alpenhorn is just used to call the cows down from the upper pasteur. They hear, then they come on their own, no wrangling needed.