Guildo Castle – Ebihens Island loop from Pléboulle

Routes

Bike touring routes & trails

Guildo Castle – Ebihens Island loop from Pléboulle

Hard

4.5

(28)

155

riders

Guildo Castle – Ebihens Island loop from Pléboulle

03:25

51.7km

470m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: September 10, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 38.2 km for 10 m

Waypoints

Start point

Parking

Get Directions

13.1 km

View of Gilles de Bretagne Castle from Pont René Pleven

Highlight • Viewpoint

From the bridge, enjoy the view of the ruins of the castle on the right bank of the Arguenon. In the 15th century, Gilles van Bretagne lived here, a poet …

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14.0 km

Guildo Castle

Highlight • Castle

The ruins of the Château du Guildo rise above the mouth of the Arguenon.
The castle was once the property of Prince Gilles of Brittany, whom his own brother, Duke …

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19.2 km

Ebihens Island

Highlight • Other

21.3 km

La Banche Beach

Highlight • Beach

Due to the extreme tidal difference at this part of the channel, the lovely beaches are only good for bathing a couple of hours around high tide. At low tide …

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25.6 km

Route et piste de la Petite Suisse

Highlight (Segment) • Other

Nice quiet gravel trail through the forest

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36.4 km

Saint-Cast

Highlight • Settlement

Saint-Cast is rightly considered one of the most beautiful coastal towns in northern Brittany: one and a half kilometers of white sandy beach on the Grand Plage (or Plage des …

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38.1 km

Cannon at Pointe de l'Isle

Highlight • Monument

The tip of the Isle looks out over the Atlantic, placid. There you will find a semaphore, an orientation table, and a cannon dating from the mid-18th century. Legend has …

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