Housesteads Milecastle 37 to Cawfields Milecastle – Quick Facts
Housesteads Milecastle 37
Where
Housesteads Milecastle 37, Northumberland Map
What Remains
One of the better preserved mile castles along the wall. Its north gate has a few of the archway stones curving into the air.
Hotbank Milecastle 38
Where
Hotbank Milecastle 38, Northumberland Map
What Remains
Just the earthwork outline of this mile castle remains.
Sycamore Gap
Where
Sycamore Gap, Northumberland Map
What Remains
A very large sycamore tree sits in this gap along with a well. A scene from the movie Robin Hood: Prince of Thieves was filmed here.
Castle Nick Milecastle 39
Where
Castle Nick Milecastle 39, Northumberland Map
What Remains
One of the better preserved mile castles along the wall.
Cawfields Milecastle 42
Where
Cawfields Milecastle 42, near Haltwhistle, Northumberland Map & Website
When
- Built as part of Hadrian’s Wall in AD 120s.
- Site of a quarry of the hard black rock called dolerite, or whinstone by the locals, that closed in 1944.
What Remains
- Mile castle outline sitting on the slope of the Whin Sill.
- Long wall sections that snake off to the east.
- Excellent view of the deep-rutted vallum, the defensive ditch that runs south of the wall.
- All that remains of the quarry is the lake and the scarred Whin Sill.