At the northern edge of Fort William, where the River Lochy flows into the head of Loch Linnhe, the ruins of a thirteenth-century castle stand in a field beside the modern road. Old Inverlochy Castle — as it is sometimes called to distinguish it from the Victorian hotel that appropriated the name — is one of the finest surviving examples of a medieval quadrangular castle in Scotland: a massive enclosure with round towers at each corner, its walls still standing to impressive height, its fabric barely altered in seven hundred years. It sits in one of the most dramatic landscapes in Britain, with Ben Nevis rising directly behind it to the south-east, the Great Glen stretching north toward Inverness, and the waters of Loch Linnhe opening to the west. And it was the site of one of the most devastating battles in the history of Highland clan warfare.
What is Inverlochy Castle and where is it?
Old Inverlochy Castle is a ruined thirteenth-century quadrangular castle at the northern edge of Fort William in Lochaber, Highland Scotland, managed by Historic Environment Scotland and freely accessible to the public. The castle consists of a large square enclosure with round towers at each corner — the largest tower, at the north-east corner, known as Comyn's Tower — and curtain walls approximately 10 metres high in places. The castle dates to around 1270–1280 and is considered one of the most complete survivals of thirteenth-century castle architecture in Scotland. The separate Inverlochy Castle Hotel is a Victorian mansion approximately 2 miles away that bears the name but has no direct connection to the medieval fortress.
Who built Inverlochy Castle?
Inverlochy Castle was built around 1270–1280 by the Comyn family — the great medieval dynasty whose power stretched from Galloway to Buchan and who were the dominant force in Scottish politics in the decades before the Wars of Independence. The Comyns — known in their modern form as the Cummings — chose the Inverlochy site for its strategic position at the southern end of the Great Glen, where the main route between the Highlands and the Great Glen passes through Lochaber. Clan Cumming's construction of Inverlochy was part of their broader effort to establish physical control over the key strategic points of Scotland north of the Highland line.
How old is Inverlochy Castle?
The castle dates to approximately 1270–1280, making it around 745 years old. It is remarkable that so much of the original fabric survives — the corner towers, the curtain walls, and the general layout of the enclosure are all substantially intact, though roofless and without internal floors. The castle's survival in this condition over seven centuries, despite the turbulent history of the area in which it stands, is a testament to the quality of the original construction.
A key fact: the Battle of Inverlochy — 1645
The most dramatic event in Inverlochy's history took place not within the castle but on the flat ground around it, on 2 February 1645 — one of the most decisive clan battles in Scottish history. James Graham, Marquess of Montrose, was conducting a royalist campaign through the Highlands on behalf of Charles I, and the Campbell army under the Earl of Argyll — the most powerful man in Scotland — had pursued him northward into the Great Glen. Montrose made a legendary winter march through the mountains from Speyside, crossing terrain considered impassable in February conditions, and appeared at dawn on Inverlochy's plain to the complete surprise of the Campbell forces. The battle that followed was a rout — the Campbells lost over 1,500 men in an hour, and Argyll himself watched from his galley in the loch. For the MacDonalds and Camerons who fought in Montrose's army, Inverlochy was revenge for generations of Campbell expansion. For Clan Campbell, it was the worst military defeat in their history. Clan Campbell never fully recovered its military reputation in the Highlands.
Clan Cameron and Lochaber
The area around Inverlochy Castle is the heartland of Clan Cameron — one of the great Highland fighting clans, whose territory of Lochaber encompassed the land around Fort William and the mountains to the south and east. The Camerons fought at Inverlochy in 1645 under Montrose, and they were among the most committed Jacobite clans in both the 1715 and 1745 risings. "Gentle Lochiel" — Donald Cameron, chief at the time of the '45 — was one of the few Highland chiefs whose personal charisma and courage contributed significantly to the initial successes of Prince Charles Edward Stuart's campaign. The Cameron heartland is directly visible from Inverlochy Castle's walls.
The Inverlochy Castle Hotel
The Victorian mansion known as Inverlochy Castle Hotel, about 2 miles from the medieval ruin, was built in 1863 and operates today as one of Scotland's finest luxury hotels. Queen Victoria stayed there in 1873 and wrote in her diary that she had "never seen a lovelier or more romantic spot." The hotel offers the experience of staying in a Victorian baronial mansion in one of Scotland's most dramatic Highland settings — with Ben Nevis providing the backdrop and Loch Linnhe visible from the grounds. For those interested in the castle hotel experience, our guide to staying overnight in Scottish castles covers the broader options.
Visiting Old Inverlochy Castle today
Old Inverlochy Castle is freely accessible at any time — there are no admission charges and no managed opening hours. It sits in a field beside the A82 at the northern edge of Fort William, and can be reached on foot from the town centre in about thirty minutes. For those exploring Lochaber and the southern Highlands, the combination of the medieval castle, Ben Nevis (the highest mountain in Britain), the Caledonian Canal at Banavie, and the broader heritage of the Cameron clan country makes Fort William one of the richest heritage bases in the Highlands. Our Fort William and the western Highlands guide covers the broader area.
Why Inverlochy endures
Old Inverlochy Castle endures because it stands in one of Britain's most dramatic landscapes and carries the memory of one of the most remarkable battles in Highland clan history. The quadrangular walls beside the Lochy, Ben Nevis rising behind them, the Great Glen stretching to the north: this is Scotland at its most elemental, and the castle has witnessed its history at its most intense. For anyone with Cameron, Comyn, MacDonald, or Lochaber family connections, Inverlochy is a direct encounter with that heritage. Find your clan name at Celtic Ancestry Gifts — mugs, woven blankets, apparel, ornaments, and garden flags for hundreds of Scottish and Irish heritage names.
