Firth locally the change is held to be at the Tail of the Bank where the river crosses a sandbar off Greenock at the junction to the Gare Loch, or even further west at Gourock point. However, some firths are exceptions. The Cromarty Firth on the east coast of Scotland, for example, resembles a large loch with only a relatively small outlet to the sea and the Solway Firth and the Moray Firth are more like extremely large bays. The Pentland Firth is a strait rather than a bay or an inlet. These are connected to, or form part of, the
Holy Isle, Firth of Clyde Holy Isle, Firth of Clyde The Holy Isle (Scottish Gaelic: Eilean MoLaise) is one of a number of islands in the United Kingdom which go under the name "Holy Island". It is located in the Firth of Clyde off the west coast of central Scotland, inside Lamlash Bay on the larger island of Arran. The island is around long and around wide. Its highest point is the hill Mullach Mòr. The island has a long history as a sacred site, with a spring or holy well held to have healing properties, the hermit cave of 6th century monk St Molaise,