The Monts d'Arrée is a mountain range located in the Brittany region of France. It is part of the larger Armorican Massif and features rugged terrain, with peaks reaching up to 1,000 meters. The area is known for its unique geological formations, including granite and schist, and is a popular destination for hikers and nature enthusiasts. This range is also home to diverse flora and fauna, including rare species. The Monts d'Arrée is surrounded by beautiful landscapes, including moors and forests, making it an important site for conservation. It is a significant cultural landmark, often associated with local legends and history.