Airspaces in Switzerland are a tough subject, get all the info you can get before flying!
More info on http://www.flyland.ch.
DABS (active danger areas etc): http://www.skyguide.ch/de/nc/services/aim-services/dabs/
Access
by Gondola from 'Lenzerheide' http://www.lenzerheide.com/; then walk along the ridge towards East; you'll see many 'windspys'