Just leave your car parked
The regional buses of Montafonerbahn operate throughout Montafon. The main lines run hourly from Schruns station.
From Schruns station you can reach Zelfen in Tschagguns by bus lines 602, 603, 605 or 651. The stop is: "Birkenweg" near the Montafon ski jump facility.
For the return trip:
You can also get back to Schruns with bus lines 2a or 2b.
mbs bus timetables
Arrival by train
From Bludenz station, the Montafonerbahn runs hourly (sometimes every half hour). There are also direct connections from Lindau (D) and from Bregenz.
mbs train timetable