by public transport:
The Funiculaire brings you from the valley station "Biel/Bienne" withing 11 minutes to Magglingen. The valley station can be reached from the train station Biel/Bienne on foot in 10 Minutes. There is also the bus line 11 that brings you to the valley station.
There are lots of train connections from Biel/Bienne to Berne, Zurich, Basel or Geneva.
by car from Geneva/Berne:
A1 in the direction Zurich/Basel/Interlaken/Biel. Take the exit Schönbühl 38/9 in direction Biel. In Biel drive towards Solothurn. Drive in direction Delsberg/Delémont on Reuchenettestrasse, turn left in direction Leubringen and further to Magglingen.
by car from Zurich/Basel:
A5 to Biel, take the exit 27 in direction Biel/Neuchâtel. After 300 meters Johann-Renfer-Strasse turn left onto Solothurnerstrasse. Drive for 1.5 km. Turn right in direction Delsberg/Delémont on Hermann-Lienhard-Strasse, then turn right again on Reuchenettestrasse. Drive straight until junction to Leubringen. There you turn left and straight ahead to Magglingen.