By public transport

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By train

In Zurich main station take the S-Bahn line S5 to Birmensdorf (final destination: Zug) or S14 (final destination: Affoltern am Albis), travel time ca. 20 minutes.

From Birmensdorf train station take postal bus no. 350 for two stops to Sternen/WSL.

Alternatively, walk about 25 minutes.

By tram/postal bus

Take the tram no. 14 to the final destimation (Triemli). On the opposite side of the road you can take either postal bus no. 350 or 220 to the WSL (stop: Sternen/WSL).

By car

You find guest parking spots (for a fee) behind the main building after passing the main entrance.

Coming from the direction of Berne...

On the motorway Bern-Zürich follow the signs St. Gallen/Flughafen from Limmattaler Kreuz then Flughafen/Zürich-Nordring/Urdorf in the lane for Urdorf. After the tunnel «Honeret», leave the motorway at exit «Urdorf-Süd» (exit 28) and continue straight on in the direction of Birmensdorf. Right after a Shell petrol station turn left at the traffic lights and go uphill for about 2 km. The WSL is on your left right after a gas station on the right.

Coming from the direction of St. Gall...

On the motorway Zürich-Bern, before reaching Zurich, follow the signs Zürich/Flughafen and then the signs for Transit/Flughafen/Zürich. Change to the left-hand lane when the sign for Bern/Basel/ Zürich-Nordring appears. When the lanes fork, keep left to Bern/Basel/Zürich-Nordring (Flughafen to the right). Continue following Bern/Basel/Zürich. Immediately after the «Gubrist» tunnel, take the left-hand lane to Zürich/Urdorf (straight on is marked Bern/Basel). After a few meters follow the sign for Urdorf. After the tunnel «Honeret», leave the motorway at exit «Urdorf-Süd» (exit 28) and continue straight on in the direction of Birmensdorf. Right after a Shell petrol station turn left at the traffic lights and go uphill for about 2 km. The entrance to the WSL is on your left right after a gas station (on the right).

Coming from the direction of Sargans...

At the bifurcation 32 on the motorway A3 follow the signs «Westring – Basel» through the Uetliberg tunnel. Leave the motorway via exit «Uitikon» (exit 29) and go straight in the direction of Zürich. After the next traffic light the entrance to the WSL is on your left right after a gas station (on the right).