Helensburgh (Baile Eilidh in Gaelic) is a burgh in Argyll and Bute, Scotland. It lies on the north shore of the Firth of Clyde and the eastern shore of the entrance to the Gare Loch. Helensburgh was formerly in Dumbarton District, but was re-allocated under local government reorganisation in 1995. Prior to 1975 it was part of the former Dunbartonshire. History Helensburgh was founded in 1776 when Sir Ian Colquhoun of Luss built spa baths on the site of Ardencaple Castle, which dated back to ab… (More on Helensburgh)