Ploumanac'h Lighthouse, also known as the Mean Ruz Lighthouse, is a historic lighthouse located on the Côte de Granit Rose in the town of Perros-Guirec, Brittany, France. It is one of the most famous lighthouses in France and is located on the pink granite coast that offers stunning views of the sea and the surrounding landscapes.

The lighthouse was built in 1860 and was in operation until 1947. It stands at a height of 15 meters and is made of pink granite rocks that are characteristic of the region. The lighthouse was automated in the 1980s and now serves as a museum and tourist attraction, offering visitors a glimpse into the history of the lighthouse and the maritime history of the region.

Ploumanac'h Lighthouse is located on a rocky promontory overlooking the sea, and visitors can climb to the top of the lighthouse to enjoy panoramic views of the coastline. The area around the lighthouse is known for its beautiful scenery, with rugged cliffs and bays, sandy beaches, and picturesque villages.