Harrows Scar Milecastle and Wall - Hadrian's Wall

Harrows Scar Milecastle represents one of Hadrian's Wall's finest preserved sections, standing on the western side of the River Irthing gorge in Cumbria. Constructed as Roman milecastle 49 following the Wall's establishment in AD 122, this strategic fortification originally featured turf construction before being rebuilt in stone during Hadrian's reign. The well-preserved stone wall reaches up to 2 meters high in places, with foundations measuring 3 meters wide, and decorative inscriptions mark the work of centurion teams responsible for construction. Connected to nearby Birdoswald Roman Fort, this open-access site offers visitors direct access to one of the finest remaining examples of Roman military engineering, demonstrating both the technical sophistication and scale of frontier defense in Roman Britain.