MV Cowal in 1954. She inaugurated the regular Wemyss Bay to Rothesay car ferry service, on 1 October 1954 and remained in the upper Clyde for her whole career. From 1957 the three "A, B, C" sisters were working interchangeably. In May 1970, "Cowal" inaugurated a short-lived seasonal Fairlie-Tarbert-Brodick service. When this ended in September 1971, "Cowal" operated between Largs and Millport, until displaced in March 1972 by the former Skye ferry on the quicker Largs to Cumbrae Slip run. With linkspans at Gourock and Dunoon, the hoist-loading "Bute" and "Cowal" were restricted to the Wemyss Bay to Rothesay crossing, where "Cowal"
Cowal the Kilfinan peninsula, and on the east, the Toward peninsula, which is also isolated from the north of Cowal, by the Holy Loch. The small central peninsula is divided from the Kilfinan peninsula by Loch riddon, and the interjection of Bute, and its Kyles. Cowal's underlying geology is made up largely of resistant metamorphic rocks, but south of the Highland Boundary Fault part of the Toward peninsula is composed of sedimentary rocks. The landscape is mountainous, the high ground dominated by moorland, peat mosses and the forest that often extends down the sides of the sea lochs to the water's