Walls of Ávila
Attraction
Ávila's walls, apparently built during the 12th century, run 2,516 metres around the old city with 87 towers and 9 gates. You can walk about 1,700 metres along the top (the adarve) for €8, free on Tuesdays 14:00–16:00, and the walk around the outer perimeter shows their full scale.
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