Caisteal Grugaig, Iron Age broch in Glenshiel, Scotland
Caisteal Grugaig is an Iron Age broch, a Scottish circular fortress with double-walled construction, standing on a rocky elevation near Loch Alsh. The ruin still reaches about 3 meters in height and displays a well-preserved entrance passage with guard chamber.
This fortification was built around 2000 to 3000 years ago and served as a defensive residence during Scotland's Iron Age. The structure dates from a period when such towers played a crucial role in protecting and controlling local communities.
The building method demonstrates the engineering skill of Iron Age communities, with stones fitted together with remarkable precision. Visitors can see how thoughtfully the structure was designed to stand against time.
The entrance area is easily accessible and still displays the original triangular lintel above the opening. The height of the remaining walls allows a good view into the inner structure and construction techniques.
Inside the structure lies a ledge in the wall that once supported a wooden upper floor, revealing how these ancient dwellings were organized vertically. This projection helps visitors understand how living spaces were divided across multiple levels.
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