Kerlédé Lighthouse, Maritime navigation lighthouse in Saint-Nazaire, France

Kerlédé Lighthouse is a tall cylindrical white tower standing 500 m inland at Saint-Nazaire. Near the top, a projecting balcony encircles it, carried on a ring of evenly spaced corbels, with a smaller crenellated section above. Three small rectangular windows, each framed by a darker border, are set in a vertical line down the wall.

The Kerlédé lighthouse entered service in 1897, replacing the Tour du Commerce. With the Porcé lights it formed a lit alignment marking the old Loire channel, guiding ships past the rocky Charpentiers bar. It remained in service until 1981, when it was decommissioned; the town later entrusted its management to the Saint-Nazaire ecomuseum.

The tower is a land-based light: with the Porcé lights it formed a luminous alignment marking the old Loire channel, guiding ships past the rocky Charpentiers bar. It replaced the Tour du Commerce, and since 1981 the Saint-Nazaire ecomuseum has managed visits.

The lighthouse sits in a location accessible by the U2 bus line, with the Dauphiné stop within easy walking distance. The surrounding area allows for viewing the structure from multiple angles without special equipment or barriers.

The lighthouse is placed inland rather than on the shoreline, which was intentional for the river navigation system used then. Ships relied on seeing this light aligned with other markers to safely navigate the Loire's curves and channels.