- mostly used in winter for dynamic soaring
Access
Gondola: timetable: https://www.engadin.stmoritz.ch/winter/de/aktivitaeten/sport/ski-snowboard/diavolezza-skifahren/fahrplan-diavolezza-winter/
Rules
Overfly gondola cables with enough separation!
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/