The most impressive crag in Northern Ireland? Quite possibly, and as well as having stunning routes it also has a great range of bouldering in the cast-offs from the crag that litter the base.
Bouldering in Ireland by Dave Flannagan.
Fairhead Climbers - includes routes as well as bouldering.
Fairhead Bouldering Facebook group with pictures to accompany the above guidebook.
The Short Span - Definitive resources from Dave Flannagan.