2008
NY6366 : The northern gateway of Milecastle 48 (Poltross Burn)
taken 18 years ago, near to Gilsland, Northumberland, England

The northern gateway of Milecastle 48 (Poltross Burn)
At some time, both gateways of the milecastle were partly blocked to restrict access. Some of the stonework is still in place in the gateways, reducing their width by half.
