Culture
The Église Saint-Gal is predominantly a 15th-century building and preserves a principal window in the choir dated 1508. Its two side aisles retain remnants of 16th-century stained-glass windows.
The Chapelle Saint-Jean was listed as a protected historic monument by decree of 22 July 1913. It contains two statues of John the Baptist and Saint Paul. The single-nave chapel has a wooden vault and a fully preserved old roof structure.
Nature and open spaces
Fromelin is a green space in the heart of Langast and offers a covered shelter as well as play and picnic areas.
The Roche-au-Cerf site includes a watermill, a centuries-old ford and a climbing area; the mill dates from before the French Revolution, has been fully renovated and has had its two original waterwheels restored.
Bel Air is a mountain in the vicinity of Langast.
Other places
In the wider regional surroundings of Langast are the Abbaye de Boquen, a monastery, and the Église Saint-Nicolas, a church. Also located there are the Artothèque de Saint-Brieuc (closed), a closed museum, and the Chapelle Saint-Gilles, a ruin.
Other local pages
Saint-Julien, Lanleff, Berhet, Pléhédel, La Meaugon, Broons, La Harmoye, Saint-Clet