Urquhart Castle occupies a rocky promontory on the western shore of Loch Ness, controlling movement through Scotland’s Great Glen. The location may have held a Pictish high-status settlement; a fragment of an early medieval brooch supports occupation before the castle. Adomnán’s life of Saint Columba describes the missionary visiting a Pictish nobleman at Airdchartdan around 565, possibly in this area, though the exact site is uncertain. The surviving stone fortress began mainly in the thirteenth century under the Durward family.

Edward I captured Urquhart during his invasion of Scotland in 1296. It changed hands in the Wars of Independence before Robert the Bruce secured it for the Scottish Crown. In 1332, after Bruce’s death, Urquhart was reportedly the only Highland castle to resist forces supporting Edward Balliol. Royal constables repaired walls, maintained boats, collected revenues, and guarded the glen. The site expanded into upper and lower baileys with a gatehouse, hall, kitchens, chapel, workshops, stores, and access to the loch.

From the late fourteenth century, the MacDonald Lords of the Isles repeatedly attacked Urquhart while extending power into the northeast. The castle passed between Crown officers and MacDonald occupation, and surrounding lands suffered raids. James IV granted the barony to the Grants of Freuchie in 1509 on condition that they restore and defend it. The Grants built or enlarged the five-story Grant Tower and improved domestic buildings. A devastating MacDonald raid in 1545 carried away livestock, boats, guns, furnishings, and stores.

Urquhart’s final military occupation followed the Revolution of 1688, when supporters of William and Mary garrisoned it against Jacobites loyal to James VII. After the danger eased, government soldiers withdrew in 1692 and blew up the gatehouse so enemies could not reuse the stronghold. The castle decayed, and part of Grant Tower collapsed in a storm in 1715. Artists and travelers later celebrated the ruins amid Highland scenery, and nineteenth-century tourism linked them increasingly with Loch Ness legends.

Urquhart passed into state care in 1913 and is now managed by Historic Environment Scotland. Conservation preserves the fragmented walls, gatehouse, tower, dovecote, halls, and water access without reconstructing a complete castle. Visitor facilities sit apart from the principal ruins, keeping the headland and loch visually dominant. Urquhart’s five centuries of occupation document royal government, English invasion, Scottish independence, clan competition, and Jacobite insecurity. Its romantic setting attracts attention, but the landscape also explains the fortress’s practical purpose: commanding boats, roads, farms, and communication through the Great Glen.