If your group is full of adventurers and adrenaline seekers, make the 6 mile trip to Whinlatter Forest Park which is great for mountain biking and home to Go Ape!. Just 3 miles in the opposite direction will take you to the birthplace of Wordsworth, Cockermouth, where a handful of delicious eateries will tempt you off ...
Self-catering cottage holidays in the UK and Ireland can still be a green option. You can have the comforts of home and the flexibility to do what you want; when you want - without the hassles of air travel!