When completed, it stretched for 73 1/2 miles from Bowness to Wallsend
[DOC] [TLE] Meet Northumberland National Park's head ranger - 'the one they ... [PAR] Construction begun probably 122 A.D. and completed 128 A. D. ..... Hadrian's 
Wall, begun by Romans in the 1st century, stretches 73 miles across the .... on the 
east coast of England to Bowness-on-Solway on the west coast.