Historic Environment tours : Nendrum Monastic Site


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Nendrum Monastic Site

Mahee Island
Co. Down
BT23 6EP

Come along to Nendrum for a special access tour and learn about the history of this beautiful site. These tours will last approximately 1 hour and will be led by archaeologist Thomas McErlean, one of the archaeologists who excavated the tidal mills at Nendrum in 1999. 

Nendrum is thought to have been set up by St Machaoi in the 5th Century and also has links to St Patrick in later sources. The monastery consists of three round dry stone walled enclosures, one within the other. There is evidence of industrial works in the outer enclosure; a central enclosure with a church ruin and sundial, the remains of a round tower and a graveyard. The middle enclosure has the remains of huts and workshops. It is thought to be the best example of a pre-Norman monastic site in Northern Ireland. In 1999, the world's known oldest tidal mill was excavated at the site, dating to AD 619-621. 

Tours will commence promptly on time at the entrance to the site please allow time for parking and be on site at least 5 minutes prior to your tour time to ensure the tour does not depart without you. 

A maximum of 20 people can be accommodated on each tour. Babes in arms will not require a ticket. Please be aware that all children must be accompanied.  All persons wishing to take part in the tour must hold a ticket to gain access.

All tickets are non-refundable and non-transferable. Refunds will only be given in the event of the tours being cancelled.


1 hour

Entrance Fee

£5 adults; £3 children (2-16).