ATTENTION: in the whole valley ('Engelbergertal') there are NUMEROUS, UNMARKED, BARELY VISIBLE cables!!!
Check info at gondola stations/ ask local pilots! This cables very often are in positions, where you would expect them last!
Access
Gondola: 'Dallenwil'-'Niederrickenbach' (http://www.maria-rickenbach.ch/index.php?id=22); then walk for about 20min to chairlift 'Haldigrat' (http://www.haldigrat.ch/)
Rules
Airspaces in Switzerland are a tough subject, get all the info you can get before flying.
More info on http://www.flyland.ch.
To the North, CTR/TMA 'Buochs'!!!