Grenchen Castle was founded at the end of the 10th century by the barons of the town of Grenchen. It was one of the “clearing castles” in the Jura Mountains and existed as a wooden castle for over 150 years. In the mid-12th century, a stone castle was built on the Schlossfluh. It consisted of the lower castle and the upper castle (main castle).
Visits:
The castle ruins can be visited at any time. The ruins and the ramparts are especially worth seeing in March, April, and November, as well as on snow-free winter days. Sturdy shoes are recommended.
Directions:
Via Bettlach – Free parking is available at the Lauacher shooting range in Bettlach. From the parking lot, follow the hiking trail signs toward Bettlachberg and walk to the turnoff for the ruins of Grenchen Castle. Hike: 45–60 minutes
About Grenchen – Buses depart from the Grenchen Süd stop every Wednesday, Saturday, and Sunday for the Grenchen Mountains. You should purchase a ticket valid to the Bettlachrank stop (stop on request). From there, follow the hiking signs toward the ruins of Grenchen Castle.
Easy hike: 20 minutes
About the Bettlachberg Mountain Restaurant – A 20-minute walk from the restaurant.
(Content from https://www.grenchenberge.ch/sehenswertes/burg-grenchen-bettlaschloss/)
