Just leave your car parked
The regional buses of Montafonerbahn run throughout Montafon. The main lines operate hourly from Schruns station.
From Schruns station you can take bus line 85 to Partenen. The stop is: "Bergbahnen". From the bus stop, you can reach the valley station of the Vermuntbahn in five minutes on foot. From there, continue with the Vermuntbahn and the tunnel bus to reach Silvretta-Bielerhöhe with Lake Silvretta.
For the return trip
Take bus line 85 from Partenen back to Schruns station.
Bus timetables mbs
Travel by train
Montafonerbahn runs hourly (partly every half hour) from Bludenz station. There are also direct connections from Lindau (D) and from Bregenz.
Train timetable mbs