Standing alone and separate from the Basilica is the steeple called the Fleche (Arrow). The Fleche was built in the late 15th century and along with St. Michel Basilica are a UNESCO World Heritagage Site.
This steeple called the Arrow (la Fleche) stands seperate from the Basilica. It's 114 meters high and was build in the late 15th century. Together with the St. Michel Basilica it is on the world heritage list of Unesco.