Ilkley Moor

Cow and Calf Rocks.

Ilkley Moor even has it's own song and has become iconic Yorkshire.
I love this place, common land for over a century, it's changes, sometimes slowly, sometimes sudden through the seasons. High moorland, it "showcases" the weather, whatever. Easy access (this shot from car park at Cow and Calf Rocks) or a walk, run, yomp to more wild and wooly and boggy parts. Ancient rock carvings, a Victorian spa well to dip your tired limbs into, refined coffee/tea house at Betty's nearby. 
What's not to love?
But remember the song - wear a hat!