It was built along a pilgrimage route from the churches on Lake Constance to Einsiedeln Abbey .
The Abbey was built on scenic rocky spur above the Gaster valley in 1761 by the priest Joseph Helg .
Abbey was built along a pilgrimage route from the churches on Lake Constance to Einsiedeln Abbey .
The Abbey was built on scenic rocky spur above the Gaster valley in 1761 by the priest Joseph Helg .