Les Mercuriales are twin towers in Bagnolet, along the Boulevard Peripherique, in Paris, France.

They were built in 1975, and are named Levant (Eastern) and Ponant (Western).

[1] These towers were part of a larger project in the business district of eastern Paris, designed to rebalance the western district La Defense.

[3] This project was interrupted by the first oil crisis, leaving the isolated towers on the A3 motorway interchange.

These transmitters generate radio interference affecting 40 000 households.