Below, we highlight some of the most notable features and interesting facts about the Aqueduct of Segovia, one of Spain’s most important monuments.

• Its name derives from aqua (water) and ducere (to lead).
• The exact date of its construction is unknown; experts place it in the 2nd century AD, after 112 AD (towards the end of Trajan’s reign or already during Hadrian’s).
• The first written reference to the Aqueduct is found in a document in Segovia Cathedral, dated 1201.
• The earliest depictions of the aqueduct are on the Romanesque corbel of the Church of Peñasrrubias (12th century) and in Cantiga 107 by Alfonso X the Wise, dated 1280.
• It was declared a Historic Monument by Royal Decree on 11 October 1884.
• Its total length is 16,186 m (total length of the water conduit, excluding the 28-metre-long intake dam).
• From the weir (including the 1929 dam) to the first urban sand trap, the aqueduct measures 13,393 m.
• The section between the two sand traps (both included) measures 794 m.
• From the San Gabriel sand trap to Avendaño Square (monumental section) there are 776 m.
• The underground canal (from Calle Obispo Gandasegui to the gate of the Alcázar) is 1,220 m long.
• Its gradient varies between 0.3% (bridge) and 5.53%.