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Historic Site:Penmon Priory (Cadw)

  • Cadw Welsh Government

Historic Site, free entry

Penmon Priory

Penmon Priory


Penmon’s history stretches back to the 6th century, when a monastery was established here by St Seiriol. The holy well (with reputed healing properties) that bears his name is thought to be associated with this period, though the ‘cell’ that houses it is a much later construction. The remains of the priory that stand today largely date from the 13th century, when it became part of the Augustinian order.

Inside the church, which still serves the parish today, stands an impressive cross. Dating from the 10th century, its shaft is carved with intricate patterns of frets and plaits.

Also worth a visit is 15th-century Penmon Dovecote, which sits close to the priory.

Children welcomeSmoking not allowed

Opening Details

Open all the time

Daily 10.00am - 4.00pm. Closed 24, 25, 26 December and 1 January.
Last admission 30 minutes before closing.


Free entry




LL58 8RW


Plan route to Penmon Priory (Cadw) using Google mapsPlan route using Google maps

Map reference: SH 630807  Lat: 53.30560 Long: -4.05687

A545 to Beaumaris and continue on this road (which becomes the B5109) north of the town; at a crossroads, right where signed to Penmon and the Priory is next to this road when you reach Penmon.


  • Children welcomeChildren welcome
  • Smoking not allowedSmoking not allowed