GR34 from Pornichet to Croisic

Le Croisic (Breton: Ar Groazig), is a commune in the Loire-Atlantique department in western France. The United States Navy established a naval air station on 27 November 1917 to operate seaplanes during World War I. The base closed shortly after the First Armistice at Compiègne. The writer and historian Auguste Lorieux (1796–1842) was born in Le Croisic.

Batz-sur-Mer (Breton: Bourc'h-Baz) is a commune in the Loire-Atlantique department in western France.The commune is situated on a former island that, until around the 9th century, was separate from the mainland at Guérande and the neighboring island of Le Croisic. The territory of the commune is now part of the wild coast of Guérande Peninsula with rocky cliffs, sandy beaches along the Atlantic Ocean, and an extensive salt marshes to the northeast and east.

Le Pouliguen (French pronunciation: ​[lə puliɡɛ̃]; Breton: Ar Poulgwenn) is a commune in the Loire-Atlantique department in western France.