Tonight, Wednesday 26 August.  BBC2 10.35 pm.  Exploring Blaven caves.    A bit late for me.  In case I miss it - please report.

After I watched it, I found it here:

https://www.bbc.co.uk/programmes/p0341s7x

No names given.  What cave is it?

I have written about 12 books on the caves and mines of Scotland but this video had me stumped for a minute, then it come to me: UAMH AN ARD ACHADH, better known as High Pasture Cave:

http://www.high-pasture-cave.org/index.php/the_cave/article/introduction

http://www.high-pasture-cave.org/