A drive over the moors but hit a bunch of slow-moving traffic on the way which spiked the temperature a little so a short cool-down stop-off was needed in the forest. This seems to have been getting worse so is something to look into.

View of the dashboard from the passenger seat, on the far side the temperature gauge is just readable showing it just under the 'H'
Running temperature
View down one of the lovely driving roads from inside the car, banking stretching up on the right, a barrier and trees on the left suggest a drop to that side.
Moors road
The B parked up in a forest dirt road.
Taking a break
The B viewed from behind, parked up in semi-shade of the forest road.
Forest pull-in