The Kermithon 2026

The Kermithon is your perfect excuse to come and take on a generous, Brittany that’s all nature, starting from Matignon, in the Côtes-d’Armor 🌿.

You choose your playground: 10 km to enjoy yourself at a good pace, or 22 km to get a real taste of adventure without overthinking it 🧭.

And after the effort, stick around: go check out the Château de Bienassis, take a detour to the beach of Saint-Cast-le-Guildo for a big breath of fresh air, head up to Cap Fréhel for the visual wow, or push on to Fort La Latte for that postcard-perfect scenery 🌊.