Whinlatter Forest

Drive up through the Lakeland fells and you'll find yourself in England's only mountain forest - 1,500 acres of working woodland that feels properly wild. Whinlatter sits just west of Keswick, climbing steeply enough that the views back towards Derwentwater are genuinely worth stopping for. The forest is a working concern, so you're not wandering through some manicured heritage site. Forestry Commission paths crisscross the whole thing, ranging from gentle woodland strolls to proper fell walks that'll have you breathing hard.

Mountain bikers have basically colonised the place in recent years - there's a proper trail centre now with everything from beginner loops to technical blacks. If that's not your thing, just walk. The air smells right, the trees are tall enough to make you feel small, and red squirrels genuinely live here (you might spot one). Allow two to four hours depending on what you want to do. The steep bits aren't for the lazy, but steady hikers will manage fine.

Campers staying at Keswick Camping and Caravanning Club or Whinfell Hall Farm are basically on the doorstep. Even Castlerigg Hall, further afield, makes Whinlatter an easy morning or afternoon break. It's free to explore, no visitor centre hassle, just forest and footpaths. Come when the weather's decent - it's exposed up there and quite grim if it's wet.