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Dunmanus Castle

Dunmanus Castle

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Dunmanus Castle

Cycling

5.0

(15)

Road cycling

5.0

(1)

Location: Cork, Munster, Ireland

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Tips

March 7, 2026

Cycling

The ruins of the 15th-century O’Mahony Tower stand on the edge of Dunmanus Bay. The castle once guarded the bay and the trade routes along the south coast of West Cork. Today, it stands as a striking, weathered silhouette in the open coastal landscape.

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April 11, 2023

Cycling

On the banks of a small natural harbour within Dunmanus Bay, you can explore the lower level of Dunmanus Castle. Access to the upper levels, where the living quarters were, was only possible through the first floor door (above and to the left of the ground floor entrance) so sadly cannot be reached today. It was built by the O'Mahony Clan in the early 15th century.

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Nearby routes

Best routes near Dunmanus Castle

5.0

(3)

24

riders

#1.

Dunmanus Bay & Goleen loop from Barley Cove on the Wild Atlantic Way

36.6km

02:19

430m

430m

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

4.3

(3)

813

riders

#2.

Dunmanus Castle – Goleen Harbour loop from Durrus

55.8km

03:24

530m

530m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

5.0

(3)

32

riders

#3.

Mizen Head – Altar Wedge Tomb loop from Crookhaven

75.7km

04:47

890m

890m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Details

Informations

Elevation 10 m

Weather

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Thursday 10 September

18°C

13°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

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See nearby routes

Location: Cork, Munster, Ireland

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