Big Al,
Interested that you prefer landing 36 at Netherthorpe (to landing 18), because I prefer exactly the opposite. I prefer 36 for t/o but find landing 18 even easier than landing 06. Probably depends on whether your aircraft has flaps or not.
nb. For anyone not familiar with Netherthorpe, its all down to the slopes, and all the runways are short by the standards of other airfields.
To get back to the original topic, my list of difficult fields would include Lundy Island, Oxenhope, and for interest; Nayland. A lot of microlight strips are quite a challenge in a flapless group A aircraft However, they can let you get much closer to your destination. I know a helicopter would be better, but I've never even sat in one of those.