Бют-о-Кай

thumb|left|The summit of Butte-aux-Cailles in 2011. 250px|thumb|An old postcard showing the Butte-aux-Cailles The Butte-aux-Cailles ( is a hilltop neighbourhood of Paris, France, located in Paris' south-eastern 13th arrondissement. The name of the hill could be translated as "quail hill", but it actually originates from its former landowner Pierre Caille, who bought a vineyard here in 1543. The Bièvre (from Latin 'Beaver') river, which once made this area important for the tannery and tissue trades, was covered over in 1860. Its route can be traced by following a series of bronze plaques embed