Qualla: Promontory forts of Cornwall

Promontory forts of Cornwall: Introduction

Sat, 23 May 2026 00:00:00 GMT

Photo credit Jim Champion, CC BY-SA 3.0. The cliffs do most of the work. To build a Cornish promontory fort, you find a headland already cut off from the mainland on three sides by sheer drops into the Atlantic, and you wall off the fourth. One earthwork, sometimes several, with ditches dug to provide the spoil for the ramparts. The Iron Age engineers who raised these cliff castles understood that the ocean was both their best defense and their worst landlord. Storms quarried away their work century by century. Today the South West Coast Path winds past one ruined fort after another, each one barely legible, each one once important enough that someone moved tons of earth and stone by hand to mark it off from everywhere else.

Image: Jim Champion | CC BY-SA 3.0

Promontory forts of Cornwall: Defending the Indefensible

Sat, 23 May 2026 00:00:00 GMT

Photo credit Jim Champion, CC BY-SA 3.0. British promontory forts were built during the Iron Age and remained in more-or-less continuous use into the early Roman period. What they were used for remains the great unanswered question. They sit in spots so exposed that year-round habitation seems implausible: bone-cold in ...

Image: Jim Champion | CC BY-SA 3.0

Promontory forts of Cornwall: Trevelgue and the Seven Walls

Sat, 23 May 2026 00:00:00 GMT

Photo credit Nilfanion, CC BY-SA 4.0. Just north-east of Newquay, Trevelgue Head is among the most heavily defended prehistoric sites in Cornwall. Seven ramparts. The defensive ditches and banks step inward across the headland, with two early Bronze Age round barrows incorporated into the layout, suggesting the build...

Image: Nilfanion | CC BY-SA 4.0

Promontory forts of Cornwall: The Granite Walls of the West

Sat, 23 May 2026 00:00:00 GMT

Photo credit Jim Champion, CC BY-SA 3.0. Further west, the cliff castles take on a different character. Gurnard's Head on the Zennor coast, its Cornish name meaning desolate one, has a single massive inner rampart over five metres wide at the base. Sixteen huts on the eastern side, sheltered from the prevailing wind, su...

Image: Jim Champion | CC BY-SA 3.0

Promontory forts of Cornwall: The Eroding Record

Sat, 23 May 2026 00:00:00 GMT

Photo credit JUweL, CC BY-SA 3.0. Time is hard on these places. Crane Castle on Carvannel Downs has lost much of its cliff to the sea, but a double rampart and ditches survive, the inner one originally five and a half metres deep below the rampart top. The only artifact found in the small 2012 excavations was the...

Image: JUweL | CC BY-SA 3.0