Utzenstorf Station:
From Bern and Thun: S44, directly, via Burgdorf
From Thun: S1 via Bern, or RE Thun-Solothurn via Hasle-Rüegsau
From Soloturn: RE Solothurn-Thun directly
From Station Utzenstorf: 10 minutes by foot (on the street) to the castle, on a hiking trail about 20 minutes.
Bätterkinden Station:
From Bern and from Solothurn: Regional Train RBS, directly
From Bätterkinden Station: 20 by foot to the castle, in part as a hiking trail.