Frohberg Castle, Medieval castle ruins in Aesch, Switzerland.
The castle ruins stand on a rocky ridge at the upper end of the Klus valley, featuring massive walls made from rough cut stone measuring 3 meters thick.
First documented in 1292, the castle was built by the Schaler family during the second half of the 13th century and sustained damage during the Basel earthquake of 1356.
The castle represents regional architectural heritage, with its design incorporating residential quarters, administrative buildings, and defensive structures adapted to the natural terrain.
Visitors can reach the ruins by hiking from Aesch BL or Pfeffingen through paths that cross vineyards at an elevation of 490 meters above sea level.
The castle's construction stemmed from political conflicts between the Schaler and Münch families rather than the common purpose of collecting tolls along trade routes.
Location: Aesch
Part of: list of cultural properties in Aesch BL
Address: Ruine Frohberg, 4147 Aesch BL 4147 4147
GPS coordinates: 47.46782,7.56158
Latest update: March 3, 2025 02:26
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