Larne, in County Antrim is the gateway to the Antrim Coastal Route of Northern Ireland This route had some of the most breathtaking coastal scenery Ireland has to offer. This car park is where the scenic Causeway Coastal Route officially begins (or ends, depending on your direction). This famous driving route stretches from Larne to Derry~Londonderry, hugging the dramatic coastline and passing through charming villages, glens, and some of Northern Ireland’s most iconic landmarks.