Brunnen is a resort on Lake Lucerne in Switzerland, part of the municipality Ingenbohl, at 46°59′44″N 8°36′17″E. Brunnen railway station, on the Gotthard railway, is served by hourly InterRegio trains, and by lines S2 of the Stadtbahn Zug, which operates hourly between Zug, Arth-Goldau and Erstfeld, and S3 of the S-Bahn Luzern, which operates hourly to Lucerne. Wikipedia