As we've come to expect, DR didn't have his camera, but thankfully CA did. Here are some of his photos.
The distance from John O'Groats to Lands end is the longest distance in mainland Britain: north-east to south-west.
Even in Scotland, we sometimes have to struggle with the sunlight.
"Where will drive to next, DR?"
Interesting rock formation.
This is Dunnet Head - the most northerly point on mainland UK.
And across the water, you can see Orkney.
Bonny, bonny place, don't you think?
A cruise ship was sailing through the Pentland Firth, with Dunnet Head to its south, and the Orkneys to its north.