Great Britain. Ordnance Survey

Strathdon & Alford 1 : 50 000

By Great Britain. Ordnance Survey

Snowdon: Conwy Valley

By Great Britain. Ordnance Survey, Ol Explorer

South Devon

By Great Britain. Ordnance Survey

Brecon Beacons National Park: Eastern Area.

By Great Britain. Ordnance Survey

Cardigan and Mynydd Preseli

By Great Britain. Ordnance Survey, Ordnance Survey Landranger map. No. 145, Ordnance Survey Staff, Ordnance Survey of Great Britain