Craig Phadrig is a forested hill on the western edge of Inverness that hides a massive secret: a vitrified Iron Age hill fort. Built around 400 BC, the fort was a major power center for the Picts. “Vitrification” is a mysterious process where the stone walls were subjected to such intense heat—over 1,000°C—that the rock actually melted and fused into glass. Archeologists still debate whether this was a deliberate building technique or the result of a catastrophic fire during a siege.

The hill is most famous in historical records as the likely capital of the Pictish King Brude. In 565 AD, the Irish missionary Saint Columba traveled here from Iona in an attempt to convert the King to Christianity. Legend has it that the King’s druids barred the gates and used magic to keep Columba out. In response, Columba made the sign of the cross, and the heavy iron-reinforced gates flew open by themselves. The King was so impressed that he granted Columba permission to preach throughout the northern lands.

During the Jacobite Risings, the hill was used as a lookout point. From the summit, one can see clearly across the Beauly Firth and toward Fort George, making it a perfect spot to watch for approaching Government warships. The fort was eventually abandoned and reclaimed by nature, but the massive earthen ramparts are still clearly visible under the trees today. It remains one of the most important archaeological sites in the Highlands for understanding the “Pre-Scottish” era.

Today, Craig Phadrig is managed by Forestry and Land Scotland. It features a series of well-marked trails that take visitors through ancient pine and larch forests up to the fort’s remains. From the top, you get a “Pict’s eye view” of the modern city of Inverness and the Kessock Bridge. It serves as a reminder that before there was a “Capital of the Highlands,” there was a hilltop stronghold that guarded the entrance to the Great Glen for over a thousand years.