Nearest is Anvers, but that's still 500 feet below the top of the hill. Luckily, if you walk up the Rue de Steinkerque 100 yards, you'll come to the funicular railway. A trip on that costs one metro ticket.
It was built as an 'Act of National Repentance' after France declared, fought and lost the Franco-Prussian war in 1870, and it was finished in 1919, when the provinces of Alsace and Lorraine, taken...