Outlander filmed at Dean Castle, Kilmarnock. The courtyard here was made to look older and stood in for another castle in one episode of the series. On screen it's Beaufort Castle.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
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Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Kilmarnock and it tells you what was shot around you, how to get there, and whether you can actually go in.
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