Saint-Jean-en-Royans is a wonderful town for cycling enthusiasts. With its winding roads and breathtaking scenery, it's the ideal place for a bike ride. The town is surrounded by hills and mountains, making it perfect for cyclists looking for varied routes and challenges.

Cyclists can explore the country roads and mountain trails around Saint-Jean-en-Royans. The roads are well maintained and offer spectacular views of valleys and mountains. The mountain trails are also very popular and offer breathtaking views. Cyclists can also rent bikes in the town and take advantage of the many cycle routes that criss-cross the town.

Cyclists can also visit the Château de Saint-Jean-en-Royans, which is a very popular historical site and walking trail. Cyclists can also explore the Parc Naturel Régional du Vercors, a protected natural site offering spectacular mountain and valley views. Cyclists can also visit the Musée de la Résistance, which is a museum dedicated to the history of the French Resistance during the Second World War.

In short, Saint-Jean-en-Royans is an ideal place for cyclists looking for varied and challenging routes. The town offers well-maintained roads, mountain trails, cycle paths and historic sites to explore. Bike rental is also a popular option for cyclists wishing to explore the town and surrounding area.