The “Pieta” located in the mercy altar of the chapel is purported to have been the source of miracles and appearances as early as 1650, making it a destination for religious pilgrims. To this day, the faithful flock to the Käppele, especially during Pentecost. The chapel interior is testament to the religiosity of the Würzburg community of the 19th and 20th centuries. There are many offerings deposited in the miracle gallery.
The Käppele is reached on foot by following a picturesque trail that includes 14 separate chapels. The Stations of the Cross were also the idea of Balthasar Neumann and includes life-size sculptures by Peter Wagner.