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'
WEATHER
Föhn!!! altough excellent soaring conditions with light (!!) southerly winds...
Weather info:
- Wind etc: http://www.meteoschweiz.admin.ch/home/wetter/messwerte/messwerte-an-stationen.html
>> zoom in for winds in Valbella etc
- Föhndiagramm: http://www.meteocentrale.ch/de/wetter/foehn-und-bise/foehn.html
- http://www.schaenissoaring.ch