Apparently I went down the Devil's Elbow yesterday, although I only found that out afterwards. The view from the top looks like this:

User posted image

I'm not sure I could cycle up it, at least not on the road bike! It averages 1 in 8, but the hairpins are even steeper. The section after that up to Heol Senni was even prettier.

Epic 53 mile ride: Clydach, Glais, Skewen, Cadoxton, Resolven, Glynneath, Pontneddfechan, Ystradfellte, Devil's Elbow, Heol Senni, Crai, Craig y Nos, Ystalyfera, Clydach.
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All those moments will be lost in time,
Like tears in rain. Rutger Hauer 1944 - 2019