Go Ape!

Swinging through the treetops at Go Ape Wendover beats sitting in a campsite all day, that's for certain. It's an assault course strung between trees - zip lines, rope bridges, Tarzan swings, the lot - with different difficulty levels so you're not forced onto something that'll give you vertigo. The whole thing takes about two to three hours depending on how cautious you are, and you'll work up a proper sweat even if you're just trying not to look down.

Kids aged ten and up will have the time of their lives here. Younger ones have a separate junior course, though it's still a decent bit of climbing and balancing. Adults often find it more genuinely challenging than expected - the height messes with your head even when you're roped in. Parents who aren't participating can usually watch from below, though honestly most end up doing at least some of it.

It costs a fair bit and you'll need to book online, but it's one of those activities that actually delivers on the hype. Worth building into a longer Buckinghamshire trip rather than making a special journey, though it's close enough to Tring if you're staying at Hill Farm Camping or one of the other sites nearby. Go on a weekday if possible - weekends get heaving. Bring trainers with decent grip and don't wear anything you mind getting torn on branches.