Period: 3rd Century AD

Mamucium Roman Fort, Manchester

Roman Gatehouse at Mamucium

Mamucium occupies a low sandstone promontory at the junction of the Rivers Medlock and Irwell. The bedrock is the Triassic Sherwood Sandstone Group, a firm, well‑drained red sandstone that gave Roman engineers a stable platform for earthworks and timber palisades, while nearby river gravels supplied road‑making aggregate.

Roman Road to the West uncovered under Manchester Street

Sections of a Roman road can be seen in this trench

A stretch of Roman road just 38-40 cm (15 in) below Liverpool Road in Castlefield. The trench shows the classic Roman construction sequence – a cambered rubble core surfaced with tightly packed cobbles – and runs on a north-east/south-west alignment that leaves Mamucium’s north gate and heads towards modern Salford.

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