The OPW recorded a 25% increase in the number of visitors to Ennis Friary last year.
It comes as new figures show just how many people visited some of the county’s most popular attractions last year.
Last year saw over 14,000 people visit the 13th Century Franciscan Friary which is located in the heart of Ennis.
The site is managed by the OPW, who carried out extensive works there in recent years.
The say the number of visitors last year was up by 25%, or near 3,000, on 2015.
1,274 people visited Scattery Island, which is also managed by the OPW. That marks a decline of nearly 500.
Separately, Fáilte Ireland has published details of visitor numbers to more of the county’s most popular tourist destinations.
It was already known that the Cliffs of Moher was the second most popular attraction here, with over 1.4 million visitors, and it’s been joined near the top of the charts by Bunratty Castle and Folk Park.
It welcomed over 352,000 visitors last year, which is an increase of over 10,000, though it did rop from 10th to 15th in the rankings.