Millennium Cairn

The Millennium Cairn sits on high ground near Castle Douglas, a modest stone construction that marks the turn of the century. It's the sort of thing you stumble upon rather than plan a day around, but that's rather the point - it gives you an excuse to get out into the Dumfries and Galloway hills.

You're looking at a proper walk to reach it, which filters out the casual visitors. The views across the Lowlands justify the climb, and on a clear day you can see well beyond the immediate countryside. The cairn itself is functional rather than fancy - a pile of stones with the weight of two thousand years' worth of human optimism stacked into it.

Historically minded visitors and serious walkers will get the most from this. Families with young children might find the trek a bit much for what amounts to a viewpoint, though older kids who enjoy rambling will appreciate the sense of achievement.

There's no charge and no fixed hours - it's out there whenever you fancy making the effort. Allow a couple of hours for the return walk depending on fitness and route. It pairs well with a stay at Auchenlarie Holiday Park, just a few miles south near Castle Douglas, which gives you a decent base for exploring the wider region without the park feeling like your main event. Come in the morning when the light's best and the midges haven't woken up properly.