The St. Ottilia chapel is somewhat hidden on the footpath to the Riedener Mühle, right on the edge of the forest. The very neat chapel was built in 1897 by a certain F.W. Hilger, for the salvation of his eyesight.
The mascot of the volcanic region "Laachus", the floating pumice stone, accompanies the children on the 300m long stone adventure trail on the monastery wall of Maria Laach and brings them closer to volcanism with riddles and child-friendly boards.