Hadrian’s Wall, Vallum  Aelium,  Vallum Hadriani Segments IV -

Hadrian’s Wall, Vallum  Aelium,  Vallum Hadriani

Segments IV - V

Vindobala to Onnvm

Rudchester to Halton Chesters
Mile Castles: 13 -22

Built:  122-128
Segment Length: 7,2 miles, 11.6 km

Mile Castles and turrets whose location and size can be documented are shown in outline form.

See:  http://www.northofthetyne.co.uk/HWC4.html
http://www.northofthetyne.co.uk/HWC5.html
https://en.wikipedia.org/wiki/Hadrian%27s_Wall
http://structuralarchaeology.blogspot.com/2010/11/40-reverse-engineering-vallum.html