On the shores of Lake Biel/Bienne, follow the clues to find the lost key – on foot, by boat or with the Vinifuni.
This puzzle adventure offers fun and excitement for friends and family. We delve into a story full of adventures and try to solve tricky riddles. Travelling by boat and Vinifuni funicular, we follow the traces of the lost key. The search leads through the stunning landscapes of Lake Biel/Bienne and also keeps us all on our toes.
Tickets: The enigma is available as a RailAway combination online at freizeit.sbb.ch or at any staffed railway station. Alternatively, the ticket is available at the Lake Biel boat landing stage (without RailAway discount).
Opening hours
Opening hours
- From 12 Apr 2025 to 5 Oct 2025
Good to know
Good to know
- For this activity you need a smartphone with Internet access and something to write.
- It is not necessary to cover large distances on foot in order to solve the riddles.
- Itinerary: Boat Biel/Bienne-Ligerz, vinifuni Ligerz-Prêles. Individual return journey from Prêles or Biel/Bienne.
- You can obtain your starting documents on presentation of your RailAway combination at the SBB counter at Biel/Bienne station, at the Aare Seeland mobil travel centres or at the Bielersee Schifffahrt boat landing stage in Biel.
- Only available in French and German.
On site
On site
- Accessibility
- Accessible by public transport
- Suitable for families
- Services
- Suitable for groups
Access
Zugang
- Public transport
- Directions
Links & PDFs
Links & PDFs
- Links
Contact
Contact
The golden key