Visited Grasmere briefly last year and remembered the cup mark in the car park, but failed to find it! Turns out I was looking in the wrong car park, couldn't get coverage on my phone to check out the location and was in a bit of a rush at the time :) One for next time.
Yes, pretty place but definitely a bit of a tourist trap. I stayed in a cottage just outside Hawkshead on that holiday, which was really lovely.

Mustard - Haven't been myself but the Langdale axe factory looks like it'd be fun if you fancy a bit of a climb!