Extremely rarely used, as no 'access' to thermals/ XC!
>> use Arosa-Weisshorn instead!
http://www.paraglidingearth.com/en-html/index.php?site=8245
Access
by gondola from Arosa: 'Hoernlibahn'
or: walk from 'Innerarosa'
Rules
Airspaces in Switzerland are a tough subject, get all the info you can get before flying.
More info on http://www.flyland.ch.