Castle ruins in South Lanarkshire

Castle ruins in and around South Lanarkshire: 9 listed. Walls, towers and crumbling gatehouses left to the weather — often free to wander and the most atmospheric photo stops of all.

Common questions

How many castle ruins are there in and around South Lanarkshire?

9 — each with its location on the map, what it is, and the visiting details we could confirm.

Are castle ruins in and around South Lanarkshire free to visit?

None are confirmed free yet, and 2 are ticketed. For the rest, entry is not confirmed yet — check each listing.