Big Collin

About Big Collin

Rising above the townland of Tildarg, this prominent Antrim Marilyn offers an accessible, grassy ascent typical of the plateau edges. While modest in height, its isolation ensures it stands out against the surrounding moorland, providing a solid, uncomplicated walk for those exploring the basalt uplands of County Antrim.

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Did You Know?

• •The name is likely derived from the Irish 'Cuilleann', meaning holly, a tree once common in the sheltered gullies of the Antrim plateau.
• •The summit provides an excellent perspective of Slemish to the north, the iconic volcanic plug where St Patrick is said to have tended sheep.
• •The hill is a key landmark within the Antrim basalt plateau, though in recent years its character has been defined by its proximity to the large-scale wind farms of Tildarg and Elliot's Hill.
• •Despite its 'Big' moniker, the hill is part of a pair with the nearby Little Collin, proving that in the world of hill bagging, size is strictly a matter of topographical prominence rather than height.