Balthayock Castle

You won't find Balthayock Castle on every tourist trail, which is precisely why it's worth the short drive from Perth. This 16th-century tower house sits quietly in the Perthshire countryside, a proper slice of Scottish castle life without the crowds you'd find at the bigger attractions. The structure itself is compact but substantial - four storeys of red sandstone that speaks to a time when a laird's strength came from his walls rather than his wallet.

The castle remains largely in private hands, so access can be patchy. Best bet is to ring ahead or check locally in Perth before making the journey. When you do get in, you're looking at a genuine fortress rather than a stately home - think narrow spiral stairs, thick walls, and views across the Tay valley that justify the walk up to the ramparts. History buffs will appreciate the building's role in Scottish Border conflicts; families with younger kids might find it a bit austere for a long visit.

If you're based at Scone Camping and Caravanning Club Site just outside Perth - which comes highly rated - Balthayock makes a decent morning expedition before tackling the bigger sites like Scone Palace. Allow 45 minutes to an hour if you get inside, longer if you fancy a proper mooch around the grounds. Go when the light's good; these old castles photograph brilliantly in late afternoon. It's the sort of place that reminds you why Scotland's landscape is studded with these towers - practical, weathered, and unapologetically real.