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 Highland Gathering in early BBC television broadcasts. As the last Major competition in the season, Cowal was historically where the Champion of Champions title for the best overall performance in the major competitions of the season was decided and awarded. Until the World Pipe Band Championships started in Glasgow in 1947, Cowal was regarded as the premier pipe band competition. Following discussions between the Gathering Committee and the RSPBA, it was decided that after 2013 Cowal would lose its status as a Major competition due to difficulties accommodating the number of bands. The pipe band competition continues to be held but with