If anyone wants a list, just tell me what you're after and where and I'll post up the info for you.
Contact me via...
SmokingHotCopy@gmail.com
Just pop in the name of this forum into your email subject title so I know it's a member from here looking for suggestions.
Being used to the Cornish lanes, I can get the LDV down pretty much all of them, the narrowest gap I can think of is actually not far from St Agnes. To get to the car park down this extremely rough track past Blue Hills Tin you have to go through two 5' high granite bollards, the gap either side of my van no more than a cm either side.
Coming back up is even worse as the van lurches on the uneven gravel surface. Come just up the hill, turnaround at the top, back down again just a few yards and there's a little cut in on the left. Drive in there dead slow and inch your way forwards until you're somewhat on the level. Immediately to your left is a 100' vertical drop mere inches away from your NS wheels, the same drop also right in front of you.
Bit unnerving when it's blowing 50mph as it was that day lol but the view - fantastic!