Archwilio is the online access system to the Historic Environment Records (HERs) of Wales.It was developed in partnership by the four Welsh Archaeological Trusts and contains information for the whole of Wales. For more information visit

Please note that information obtained from Archwilio is intended for use for information and research purposes only and may not be used for development control purposes or as part of a commercial project. Enquiries of this nature should be addressed directly to HER staff.

Mae'r App Archwilio ar gyfer Android i'w gael i lawrlwytho o'r Google Play Store



The Trust is a registered organisation with the Institute for Archaeologists.
Mae'r Ymddiriedolaeth yn gofrestredig gyda Sefydliad yr Archaeolegwyr.

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Ymwelwch a'n safleoedd rhwydwaith cymdeithasol