There was a fortification on this high promontory in the early Middle Ages, when Dunollie was the royal centre of the Cenél Loairn within the kingdom of Dál Riata.

[1] It was subsequently rebuilt in 714 by Selbach mac Ferchair (died 730), the King of Dál Riata credited with destroying the site in 701.

[2] Dougall, Somerled's son, held most of Argyll and also the islands of Mull, Lismore, Jura, Tiree, Coll and many others in the 12th century.

In the 14th century Ewan's grandson John MacDougall, along with his kinsmen the Comyns, sided with the Balliols against the interests of Robert the Bruce.

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