Free entry for English Heritage members
This place is cared for by the Office of Public Works, which runs Ireland's national heritage sites as Heritage Ireland. English Heritage members are entitled to free entry to all OPW sites from the first year of membership. Show your current membership card at admissions.
More information
Standard price, paid at the visitor centre; there is no online booking. OPW's general rule gives free admission to children under 12 and to visitors with disabilities and their carers. Free for visitors staying overnight on Inis Mór in participating accommodation (OPW names none). Free for English Heritage members showing a valid card, from the first year of membership (every OPW site; the named members on the card). Heritage Card holders free.
OPW's Child/Student rate; no age band given on the page, and OPW says children under 12 visit free. Free for English Heritage members showing a valid card, from the first year of membership (every OPW site; the named members on the card). Heritage Card holders free.
OPW's Group/Senior rate; no age given on the page. Free for English Heritage members showing a valid card, from the first year of membership (every OPW site; the named members on the card). Heritage Card holders free.
OPW's family ticket; the page does not define the family. Free for English Heritage members showing a valid card, from the first year of membership (every OPW site; the named members on the card). Heritage Card holders free.
Arrive on foot, by bike or by public transport.
There are no car ferries to the Aran Islands, so no visitor drives to Dún Aonghasa. Aran Island Ferries sail from Ros a' Mhíl (Rossaveel) to Cill Rónáin in about 40 minutes all year, with a coach link from Galway city; parking at the pier costs €8 for 24 hours according to the ferry company, while APCOA lists its Rossaveel Harbour parking at €1 an hour or €5 a day, so check which car park you are in. Ferries also run from Doolin in County Clare in season. Aer Arann Islands flies from Connemara Airport at Indreabhán to Cill Éinne in about ten minutes, with free parking for passengers at the airport. On the island the visitor centre is 7 km west of Cill Rónáin: minibuses, bicycle hire and pony and traps wait at the pier, and there is bicycle parking at the centre.
Driving pin: the Dún Aonghasa Visitor Centre at Cill Mhuirbhigh, where the ticketed walk to the fort begins, 800 m north-east of OPW's pin on the fort itself.
Dún Aonghasa is perched on the edge of a sheer sea cliff on the south-west side of Inis Mór, the largest Aran Island, facing the Atlantic with an 87-metre drop and no fence. It is the largest of the islands' prehistoric stone forts and over 3,000 years old: three massive drystone walls, and outside them a chevaux-de-frise, a dense band of thousands of jagged upright stones running from cliff to cliff. Excavations found evidence of prehistoric metalworking, houses and burials, and the whole complex was refortified around AD 700 to 800. The visit starts at OPW's visitor centre at Cill Mhuirbhigh, reopened in May 2026 with a new exhibition, then climbs about 1 km over rising ground, the last stretch on bare rock, so strong shoes are needed. Visitors reach the island by ferry from Ros a' Mhíl or Doolin or by a short flight, then cycle or take a minibus from Cill Rónáin. Reviewers call the setting the star and warn to keep back from the unrailed edge.
Please note it is not permitted to fly drones at Dún Aonghasa. This is for the safety and comfort of visitors and staff.
Later dates are in the calendar.
Prices, non-members
Open all year. April to October: daily 9.30am to 6pm; November to March: daily 9.30am to 4pm; closed 24 to 30 December. OPW prints no last admission time, but the fort is about 1 km from the visitor centre over rising ground and an average visit takes 1 to 1.5 hours, so arrive at least an hour before closing. Guided tours run year round; no online booking, so tickets and English Heritage cards are dealt with at the visitor centre desk. Free admission for visitors staying overnight on Inis Mór in participating accommodation, and for everyone on the first Wednesday of each month. Ferry and flight timetables decide most visits; Google's opening time differs from OPW's.
The last section of the path is over rough natural rock with natural stone steps for the final 100 m, and care is needed especially when descending; boots or strong walking shoes are recommended, and there is no fence or barrier at the cliff edge. OPW calls access challenging and limited; the walk is not suitable for wheelchairs, while the refurbished visitor centre (reopened 7 May 2026) has accessibility upgrades, a new exhibition, a multilingual app for self-guided visits and toilets. Dún Aonghasa is a vulnerable national monument: do not interfere with the stonework, and drones are prohibited. A private cafe and craft shops stand beside the visitor centre at Kilmurvey. Card payments accepted.
Dogs: Dogs on a lead are permitted at the site; whether a dog may enter the visitor centre building is not confirmed. Dogs are not allowed on Inis Mór's three waymarked loop walks, including the Lúb Cill Mhuirbhigh loop that passes near the fort.
Photo: Inside Dún Aonghasa's inner enclosure: the limestone pavement, the raised stone platform and the inner rampart running to the unfenced cliff edge above the Atlantic. Marathon, CC BY-SA 2.0. Source: https://commons.wikimedia.org/wiki/File:Inside_the_fort_of_Dun_Aonghasa_on_the_Aran_Islands_-_geograph.org.uk_-_7861914.jpg. Licence: https://creativecommons.org/licenses/by-sa/2.0. Resized and cropped for display; derivatives retain the source licence.
No reviews yet
No reviews yet. Be the first to share your experience!
Not suitable for dogs
14.7 km moderate waymarked loop (purple arrows), 180 m ascent, about 4.5 hours, starting and finishing at the pier in Cill Rónáin on quiet roads and stony boreens; free, with Dún Aonghasa a signposted 1.5 km detour from a five-road junction near Cill Mhuirbhigh, ticketed at the visitor centre.