About Mare’s Tail Waterfall
Mare’s Tail Waterfall is said to be the tallest waterfall in Ireland (let alone the Ring of Beara; according to a sign near the Adrigole Harbour viewpoint).
It’s where the Coomadavallig and Coomarkane Lakes drain towards the Adrigole Harbour via the Valley of Coomgire over a slope dropping with a proclaimed total height of 685m (though this seems kind of exaggerated from what we could tell).

Nevertheless, you’d think that a waterfall with this kind of association ought to be very popular and well-touristed.
However, it turned out that both the waterfall and its access are on private land, and the owners don’t seem interested in opening it up for visitation.
The best sanctioned way to even witness this waterfall was from a lookout over Adrigole Harbour backed by the waterfall among the mountains in the background.
During our July 2024 visit, the waterfall had a bit of a lighter flow so it was hard to distinguish it from the rest of the scenery.

I’m sure in times of heavier flow, the Mare’s Tail Waterfall would be an impressive sight from this lookout.
Now we did explore the area around the Mare’s Tail thinking there might be closer access, but the narrow roads were merely accesses for the local owners.
When we got to the road’s end, there were plenty of “No Trespassing” signs, which made it very clear that visitors are not welcome.
As a result, I tend to think of the Mare’s Trail Waterfall as a roadside waterfall (despite its distance from the Adrigole Harbour lookout).

Any other way of experiencing this waterfall besides the roadside lookout would pretty much be unsanctioned or at least trespassing.
Authorities
The Mare’s Tail Waterfall is near the Beara Peninsula town of Adrigole in County Cork, Ireland. It is on private land and has neither official access nor infrastructure for visitation. For information or inquiries about the area as well as current conditions, you can try visiting the Beara Tourism website.
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