Cadw · Welsh Government

Scheduled Monuments in Wales

Protected ancient monuments across Wales, from the Preseli standing stones of Pembrokeshire to the Glamorgan hillforts — over 4,000 sites of national importance maintained by Cadw.

4,236
Protected sites
Browse by period

Monuments in Wales with a recorded period designation.

Prehistoric642
Medieval161
Post Medieval/Modern97
Early Medieval54
Roman29
Industrial4
Bronze Age3
Post Medieval2
Iron Age1
Browse by county

Historic counties of Wales

Scheduled monuments in Wales, grouped by historic county. Counts derived from the Cadw dataset.

Anglesey144Breconshire404Carmarthenshire366Ceredigion264Conwy388Denbighshire270Flintshire173Glamorgan576Meirionnydd254Monmouthshire318Montgomeryshire291Pembrokeshire528Radnorshire260
About this register

Cadw

The 4,236 scheduled monuments in this register are drawn from the Cadw. Each scheduled monument is a site formally recognised by law as being of national importance — protected against development, metal detecting, and unauthorised disturbance.

Scheduling is the primary mechanism by which Wales's archaeological heritage is protected. Sites range from Neolithic burial chambers and Bronze Age field systems to medieval castles and post-medieval industrial remains — spanning over 10,000 years of human activity.

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