Ruppen Pass is a high mountain pass between the cantons of St. Gallen and Appenzell Ausserrhoden in Switzerland. It connects Trogen and Altstätten. The pass road has a maximum grade of 9 percent.
Wikipedia https://en.wikipedia.org/wiki/Ruppen_Pass
Address (Unnamed Road), 9043, Switzerland
Coordinates 47°23'45.946" N 9°30'9.404" E
