Castle Robert

A few minutes' drive south of Sanquhar, Castle Robert sits on a low mound overlooking the Nith valley - what remains of it, anyway. You're looking at earthworks rather than soaring stonework here: the outline of a motte-and-bailey fortress from the medieval period, with ditches still visible if you know where to look. It's the sort of place that rewards a bit of historical imagination. Walk around the perimeter and you start to piece together what stood here eight centuries ago - the defensive positions make sense once you stand there.

This is genuinely quiet archaeology, not a manicured heritage site with tea shops and laminated information boards. Bring decent shoes because the ground gets boggy, and the walk is more of a ramble than a circuit - maybe thirty minutes if you're thorough. There's no admission charge as far as I can tell, and no visitor facilities, so come prepared.

For families it's a bit of a curveball. Young kids might lose interest quickly, but teenagers into history or fortifications will find something worthwhile. It works brilliantly as part of a walking holiday in the area - Sunnyside Lodges sits just down the road if you're basing yourself locally, and you can tie this in with walking routes that follow the Nith. The real appeal is that it hasn't been dolled up for tourists. You're getting the archaeology raw, which means you're actually learning something rather than just ticking a box.