Climbing in Ayrshire splits between Loudoun Hill — the andesite crag that's been the region's main outdoor venue for decades — and the indoor centre at Kilmarnock that takes over when the rock's wet. Loudoun's south-facing aspect means it dries quickly after rain, which matters because Scottish climbing weather is what it is.
The picks below are ranked on current conditions: outdoor climbing weights rain heavily (wet rock is no good) while the indoor option scores higher exactly when the weather is grim outside.
Kilmarnock, East Ayrshire
Modern indoor centre with bouldering, roped climbing, and a dedicated kids' area.
Darvel, East Ayrshire
Andesite crag with classic Scottish trad routes. South-facing, dries fast after rain.