maxdrypower:
Failing that cumbernauld isnt too far away
Well I suppose if you like driving it isn't. It's at least 3 hours by car from Cumbernauld to Fort William.
As regards private strips, there are none in the area. There used to be a private strip at Torlundy used by, I think, a Maule, but I don't think it's been in use for a few years now.
Your best bet is definitely Oban.
NS