Ranked by strength
The 10 strongest castles in Scotland
Scotland’s mightiest fortresses — the strongholds built to hold against siege, ranked by military strength rather than fame. Each links through to its full history, and you can rebuild any of them to explore with AI.
- 1
Scotland · Restored · prime 1542
Stirling Castle
Stirling Castle is a major medieval and Renaissance royal residence and fortress atop Castle Hill in Stirling, Scotland. Its principal buildings date from the 15th and 16th centuries and it occupies a steep intrusive crag with defensive curtain walls on three sides.
- 2
Scotland · Restored · prime 1520
Edinburgh Castle
Edinburgh Castle is a historic fortress occupying Castle Rock, a volcanic plug overlooking the city of Edinburgh. The site contains a cluster of medieval and early modern stone buildings including St Margaret's Chapel, the Royal Palace and the Great Hall, set within curtain walls and defensive terraces on a steep crag.
- 3
Scotland · Restored · prime 1548
Dumbarton Castle
Dumbarton Castle crowns Dumbarton Rock, a 73 m (240 ft) high volcanic plug on the River Clyde, and has been a fortified stronghold from the Iron Age through the early modern era. It served as a royal fortress, naval base and prison at various times and retains extensive curtain walls, defensive works and stone buildings on the rock summit.
- 4
Scotland · Partial ruin · prime 1634
Caerlaverock Castle
Caerlaverock Castle is a moated triangular castle on the floodplain of the River Nith in southwest Scotland. Built in red sandstone with a distinctive triangular plan, it comprises a northern gatehouse of twin drum towers, further drum towers at the south corners, and internal ranges including a late Renaissance lodging. The site is a scheduled monument in the care of Historic Environment Scotland.
- 5
Scotland · Ruin · prime 1520
Tantallon Castle
Tantallon Castle is a mid-14th-century Scottish curtain-wall fortress on a coastal promontory east of North Berwick, securing the headland with a single massive curtain wall and sea cliffs on the other sides. It was the last major medieval curtain-wall castle built in Scotland and comprises a long red-sandstone curtain with three principal towers, a north range containing a hall, and an inner and outer court. The site is a ruin today under the care of Historic Environment Scotland.
- 6
Scotland · Ruin · prime 1424
Bothwell Castle
Bothwell Castle is a large medieval fortress sited on a high, steep bank above a bend in the River Clyde in South Lanarkshire, Scotland. Begun in the 13th century, it is dominated by a huge cylindrical donjon to the west and, after 15th‑century rebuilding, a Great Hall and chapel to the east with long curtain walls and corner towers enclosing a rectangular courtyard. The site is a scheduled monument managed by Historic Environment Scotland.
- 7
Scotland · Ruin · prime 1623
Urquhart Castle
Urquhart Castle is a medieval fortress sited on Strone Point on the north-western shore of Loch Ness in the Scottish Highlands. The surviving ruins date mainly from the 13th–16th centuries and the site consists of two main enclosures (the Nether Bailey to the north and the Upper Bailey to the south) centred around a five-storey Grant Tower and a gatehouse.
- 8
Scotland · Restored · prime 1540
Blackness Castle
Blackness Castle is a 15th-century royal fortress on a rocky spit on the south shore of the Firth of Forth near the village of Blackness, Scotland. Built in the 1440s and strengthened in the mid-16th century, it served as a fortress, state prison and artillery strongpoint guarding the approaches to Linlithgow and the Forth.
- 9
Scotland · Partial ruin · prime 1566
Hermitage Castle
Hermitage Castle is a large medieval stronghouse in the Liddesdale valley of the Scottish Borders, built originally in the 13th century and substantially rebuilt by the Douglas family. It occupies a remote riverside site on the Hermitage Water and fell into disuse after the Union of the Crowns; today it survives as a substantial, partly-ruined stone tower-house complex cared for by Historic Environment Scotland. The site is noted for its austere massing and isolated landscape setting.
- 10
Scotland · Partial ruin · prime 1585
Dirleton Castle
Dirleton Castle is a medieval fortress on a rocky outcrop in Dirleton, East Lothian, Scotland, begun about 1240 and altered across the 14th–16th centuries. The surviving fabric includes a 13th-century donjon (keep), a 16th-century house attached to the castle, a substantial gatehouse and curtain walls; it was abandoned in the 17th century and is now a cared-for ruin with historic gardens.