A nature & sea loop starting from the Château
Starting point: Château Hôtel du Colombier
Total distance: approximately 18 km
Duration: 1.5 to 2.5 hours depending on pace and breaks
Level: Easy to intermediate (mainly bike paths and quiet roads)
🗺️ Step 1: From the Château to Plage du Sillon
3.5 km – 15 min
Leave the castle park towards Paramé. Join the bike paths leading to the sea.
In a few minutes, you arrive at the famous Plage du Sillon.
👉 Enjoy a break facing the ocean and admire the Belle Époque villas lining the seawall.
🏰 Step 2: From Sillon to Intra-Muros
2 km – 10 min
Follow the promenade along the sea to the walls of Saint-Malo.
Park your bike at the entrance of the intra-muros to explore the cobbled streets on foot.
Not to be missed:
• The walls (panoramic view)
• The Saint-Malo History Museum
• The port and the offshore forts
Coffee break recommended on an intra-muros terrace ☕.
🌊 Step 3: Intra-Muros → Rothéneuf by the coast
6 km – 25 to 30 min
Get back on your bike and follow the coast towards Rochebonne then Rothéneuf via the coastal bike path.
You will pass by:
• Rochebonne beaches
• Rocky points with views of the Côte d'Émeraude
Arrival at the Sculpted Rocks of Rothéneuf, an artistic curiosity facing the sea.
🌿 Step 4: Return to the Château via the interior
6.5 km – 25 min
For the return, take the quieter roads through the residential areas of Paramé and the greenways.
The route is slightly hilly but pleasant, alternating between peaceful urban areas and more natural spaces.
📍 Loop summary
• Distance: ≈ 18 km
• Total duration with breaks: 2 to 3 hours
• Terrain: bike paths, seawall, quiet roads
• Ideal: morning or late afternoon
✨ More sporty variant (25 km)
Add an extension towards:
• Le Grand Bé (on foot at low tide)
• La pointe de la Varde for a spectacular panorama