Barnaslingan and Carrickgollogan Loop Walk
This circular walk visits Barnaslingan and Carrickgollogan Woods in the Dublin Mountains in Dún Laoghaire–Rathdown.
The two woods are located next to each other and include miles of walking and mountain bike trails. You can also enjoy a climb to Carrickgollogan Hill which stands at a height of 276 metres (906 feet). From here you can enjoy wonderful views over south Dublin and north Wicklow.
The area also includes some historic leadmines and a noteworthy ruined ancient church, with photos and more details below.
Part of the route uses a section of the Dublin Mountains Way which you can use to further explore the area.
Barnaslingan and Carrickgollogan Open Street Map 
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Barnaslingan and Carrickgollogan Open Street Map 
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Further Information and Other Local Ideas
Head east to the coast and you could pick up the popular Bray to Greystones Walk. There are some glorious cliff top views to enjoy from this vantage point.
To the north west you can also enjoy more woodland trails at Ticknock Forest.
Cycle Routes and Walking Routes Nearby
Photos
Dublin Bay viewed from the summit of Carrickgollogan. The author Weston St. John Joyce, writing in The Neighbourhood of Dublin (1912), described the vista as "a fine view is obtained of Bray, Howth, Dalkey, and Killiney, the vale of Shanganagh, and Bray Head and town. Between the observer and the sea will be seen Loughlinstown, looking very closely built from this point, like the towns of medieval times, which were built within as small an area as possible, so as to reduce the circuit of the enclosing wall. To the westward will be seen the wooded hill of Barnaslingan, forming the eastern side of the Scalp, beyond that the Two and Three Rock Mountains, and south of these the higher Wicklow hills – War Hill, Djouce, and Duff Hill"
View over Killiney and Dublin Bay from Carrickgollogan Hill
Carrickgollogan
The Scalp, KIlternan, Dublin
The Scalp, KIlternan, Dublin, looking south
The Scalp From Barnaslingan Hill
Ballycorus Lead Mines Chimney. The most distinctive landmark to the north of the summit of Carrickgollogan is the ruins of the flue chimney of the former lead works at Ballycorus. Open-cast mining began at this site, just below the western side of the flue chimney, around 1807 and the site was taken over by the Mining Company of Ireland (MCI) in 1826 who undertook underground mining in the area intermittently up until 1863.
Rathmichael Church. Further down the slopes to the north of the Carrickgollogan summit lies Rathmichael where the ruins of a church and round tower are found enclosed within the remains of what would once have been one of the largest ringforts in Ireland. The church dates from Norman times but the presence of the round tower and ringfort indicates that the site dates back to early Christian times.