be aware of the local Flight restrictions > 'Flimserstein'
Access
Gondola/ hike from Flims >> https://www.flimslaax.com/en/opening-hours-prices
Rules
Airspaces in Switzerland are a tough subject, get all the info you can get before flying: http://www.flyland.ch.
DABS (active danger areas etc): https://www.skybriefing.com/portal/