Hiking circuit from Guirbaden Castle to the Purpurkopf

From the mountain village of Grendelbruch, discover the largest fortress in Alsace (2 hectares), the Guirbaden Castle! This hike will continue through the Magel valley via the Fischutte. Then, the paths will take you to a mysterious Celtic and Roman mountain, the Purpurkopf, where many legends remain! There are many discoveries and views to be had.