I've just come up Penllyn Hill (Witches Hill) coming home this afternoon. There's currently a mat of wet leaves covering the hairpin bend. Having full panniers didn't help, but it was a bit hairy at the sharp bit and I was very glad there was no traffic around. I wouldn't be too keen on descending there just at the moment on a road bike either. Looking at Saturday's weather, personally I don't fancy it for this Sunday...