It is romantically situated in the part of the Haardt called the Pfalzer Schweiz (Palatinate Switzerland), and is surrounded by high hills which yield a famous red sandstone.
See John Ball, Hints and Notes for Travellers in the Alps (article x., especially pp. lvii.-lxv.); new edition, London, 1899; Felix Anderegg, Illustriertes Lehrbuch fur die gesamte schweiz.
His Unpolitische Lieder, Deutsche Lieder aus der Schweiz and Streiflichter are not without poetical value, but they are mainly interesting in relation to the movements of the age in which they were written.
Sturler (the first to suspect the story) in the Anzeiger far Schweiz.