The Rock of Dunamase is an imposing and magnificent example of a Celtic fortification overlooking the valley of the O’Moores, just outside Portlaoise, County Laois.
At a glance
Entry
Free / cheap
What parents should know
The Rock of Dunamase is an imposing and magnificent example of a Celtic fortification overlooking the valley of the O’Moores, just outside Portlaoise, County Laois.
planning
Information source
Summary and location information adapted from Fáilte Ireland’s Tourism Activities and Attractions dataset, accessed 7 September 2026. Source: https://data.gov.ie/dataset/tourism-activities-and-attractions. Licensed under Creative Commons Attribution 4.0: https://creativecommons.org/licenses/by/4.0/. Check the venue’s own website for current visitor arrangements.
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Today
Light drizzle
16°C
Light showers expected — plan for indoor spells
Opening hours
Opening hours could not be confirmed.
Last checked 25 May 2026, 01:41.
Opening times are effectively daylight hours; the site is unstaffed, so visitors should plan to arrive before dusk. Free to enter.
Plan your visit
Worth combining
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