Knocknacusha [Cnoc Osaidh]

About Knocknacusha [Cnoc Osaidh]

Standing on the southern fringes of the Iveragh Peninsula, this Marilyn offers a rugged, often pathless experience. The terrain is typical Kerry sandstone and peat, rewarding climbers with a clear perspective south across the Kenmare River toward the Beara Peninsula and the distant peaks of the Slieve Miskish Mountains.

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Did You Know?

• •The Irish name Cnoc Osaidh translates literally as 'Hill of Osaidh', likely referring to an obscure personal name or a derivation of 'osadh', suggesting a place of rest or a temporary truce.
• •Its classification as a Marilyn—a peak with a drop of at least 150 metres on all sides—ensures the summit feels impressively isolated from the higher mountains to the north.
• •The summit serves as an excellent vantage point for viewing the coastal topography of Derrynane Bay and the uninhabited Scariff and Deenish Islands out in the Atlantic.
• •In the absence of a formal trail, the ascent usually involves navigating a classic Kerry landscape of 'hags and holes'—a testing mix of peat hags and hidden boggy depressions.