Walzenhausen adventure trail

Find the lost treasure with Aaron and Lena

Aaron and Lena make a mysterious discovery in Walzenhausen. What is the secret behind the lost treasure? Join Aaron and Lena in their search on the adventure trail. 

Aaron and Lena make a mysterious discovery in Walzenhausen. They set off together in search of the lost treasure. Lena’s grandfather helps them find the treasure. Follow the detective story and enjoy the nature around Walzenhausen. There are several stops where you can solve puzzles and find the treasure that has been hidden for so many years. And what has that got to do with the monastery and Grimmenstein ruins? But other treasure hunters are hot on their heels.

Attractions and additional information

  • Suitable for children aged 8 and above accompanied by their families or in school classes
  • The 30-stop adventure trail is signposted throughout with white/green signposts
  • There are various viewing points and fire pits along the way
  • Time required: Hike: 2 hours; Listen to detective story: 2 hours; plus resting times at fire pits or viewing points
  • 30 stops: Use the “Adventure Trail App” to scan the QR code and listen to the next part of the detective story.
  • Tip: You can install the free app (in German) at home via Google Play or App Store.
  • The starting point is Walzenhausen train station– you set off from the square in front of Walzenhausen church
  • At the end, a little surprise from the treasure chest will be waiting for you at Walzenhausen train station.

Journey details

Duration 5 hours
Difficulty medium
Altitude difference 400 Metres
Arrival Walzenhausen train station
Return travel Walzenhausen train station

Additional information

Buy ticket

Buy your ticket from the SBB Shop or SBB Mobile app. You can also buy a ticket from the driver, at all ticket terminals, PostBus sales offices and at the counter of your nearest railway station.

Additional ticketing apps and online shops can be found in our overview.

Timetable / travel information

You will find the entire Swiss public transport timetable online here.


No reservations can be accepted for individual travellers (1–9 people). For groups of 10 people or more, a reservation is required.

Bicycle transport

No bicycle carrier systems available in/on the vehicle

Wheelchair accessibility

Wheelchair accessibility is guaranteed in the Postbus

Contact details


PostBus Ltd
St. Leonhard-Strasse 20
9000 St. Gallen