County Antrim Mineral Springs

There are numerous mineral springs: one near Ballycastle is chalybeate, another aluminous and vitriolic, and a third, on Knocklaid mountain, chalybeate; at Kilroot there is a nitrous water of a purgative quality; and near Carrickfergus are two salt springs, one at Bella hill, and the other in Island Magee. There are also various natural caverns, of which the most remarkable are those of the picturesque mountain called Cave Hill; a curious and extensive cavity at Black-cave-head, to the north of Larne; a cave of larger dimensions under Red Bay Castle; one under Dunluce Castle; the cave at Port Coon, near the Giant's Causeway; and those of Cushendun and the white rocks, near Dunluce; besides which there are numerous artificial caves.