Cairngaver

The walk up Cairngaver isn't long, but it's proper steep. From the Lisburn and Castlereagh side, you'll huff and puff your way to just over 300 metres - nothing dramatic by UK standards, but enough to give your legs something to complain about. The reward is a decent enough view across the landscape towards Belfast, though I'll be honest, it won't stop you in your tracks like the higher peaks further west do.

Walkers will get the most from this one. It's the kind of hill that suits people who want a solid hour or so on their feet without committing to a full day's expedition. Families with older kids can manage it fine, but toddlers will find it tedious and the payoff might not justify the carry-up.

There's nothing on the summit itself - no café, no trig point, just grass and views. Bring what you need. The walk is free, naturally, and you can do it year-round, though it's actually nicer when it's not too hot because that climb gets proper warm work.

If you're based at Dundonald Touring Caravan Park or staying at the Pods at Streamvale, Cairngaver makes a decent afternoon slot. It's close enough to Belfast for a quick outing without eating a whole day, and it breaks up the usual park routine. Pair it with exploring the Lisburn area itself if you've got the time - there's more character in the town than you'd expect.