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Welcome to the

Detective-Trail – The hidden treasures of Lausanne

Open daily – you are free to choose your time of departure.

Monday – Sunday 9AM – 6PM
Closed on December 25th an January 2nd.

This information is without guarantee. If the treasure chest is not accessible, we will send you the gift(s). Instructions for this case are given at the end of the detective trail.

about 4 km on foot, Metro is used twice

Approx. 2.5h (without breaks) – approx. 4.5h (with breaks)

Cathédrale Lausanne, place de la Cathédrale (Cité) /
Metro M2 direction “Croisettes” or by bus lines 6 and 7 to the “Bessières” stop.

Lausanne Tourisme Visitor Centre, Avenue Louis-Ruchonnet 1, 1003 Lausanne

Metro usage:
You will be making two trips by metro on the Detective-Trail. If you are only using the metro for these two trips, you can purchase single tickets, otherwise we recommend a day ticket for 2 zones (11, 12). Prices: CHF 9.80 full price; CHF 6.90 with half-fare. Overnight guests in Lausanne receive a Lausanne Transport Card and do not need single tickets/day passes.

This trail is not suitable for baby carriages.

For puzzles 7 and 8 you are in Le Flon, where there are shops and restaurants.

For puzzle 12, you are at the Olympic Museum, where you can have a picnic there. Admission to the temporary exhibitions at the Olympic Museum is free. Admission to the rest of the exhibitions is free for children up to the age of 16 and costs money for adults. 


If you get lost, the map will help you find your way back. Press on the icon on the top right of of the puzzle you are currently working on.

In case of difficulties on the road, please contact us at +41 (0)31 533 47 21.
For all other concerns, write to us at hc.sliart-vitketedobfsctd@ofni.

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