A cultural and meditative walk on the Buschberg near Wittnau. There are 12 stopping points near culturally and historically important sites such as the Lourdes Grotto, the Buschberg chapel, a Celtic burial mound and St. Martin's fountain. The circular walk starts near St. Martin's church in Wittnau. There is an accompanying brochure giving more information and appropriate biblical quotations, available from the municipal offices and the parish office in Wittnau. Walking time: 2.5 – 3 hours (6.5 km)