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Routes
Bike touring routes & trails
France
Hauts-De-France
Boulogne-Sur-Mer
Le Portel

La Vélomaritime and Liane River Loop

Easy

3.4

(10)

29

riders

La Vélomaritime and Liane River Loop

01:00

15.8km

150m

Cycling

Enjoy an easy 9.8-mile touring cycling loop from Outreau, featuring coastal views and the historic Fort d'Alprech.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Caps et marais d'Opale

Waypoints

A

Start point

Parking

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1

838 m

Panoramic view - Quai Duguay Trouin, Le Portel

Highlight • Other

An official viewpoint with a slightly widened footpath and a few benches you can look out over the sandy beach that is interrupted by rocks.

Translated by Google •

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2

3.07 km

Gazing into space, you cannot miss the gigantic fresco of the fisherman of Boulogne-sur-Mer. Produced in the summer of 2018 on a bar of buildings on rue Bastié, the work …

Translated by Google •

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3

4.28 km

Main bridge across the Liane with bike paths on both sides, overlooking the river (on the inland side protected by locks), and seawards the harbor for small pleasure and fishing boats.

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4

6.81 km

Viewpoint: La Liane

Highlight • Other

On the bridge you have an official viewpoint over the Liane.

Translated by Google •

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5

14.3 km

Phare de Portel

Highlight • Monument

Phare de Portel or Phare d’Alprech is a lighthouse located in the commune of Le Portel, in the Pas-de-Calais department of France. It was built in 1962 on the site …

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6

14.4 km

Fort d'Alprech

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Le Portel, The city of three fortresses... With the Fort de l'Huert, the Fort du Mont de Couppes and the Fort d'Alprech, Le Portel is well protected! The first two …

Translated by Google •

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B

15.8 km

End point

Parking

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Way Types & Surfaces

Way Types

7.79 km

4.32 km

3.15 km

199 m

155 m

128 m

< 100 m

Surfaces

9.98 km

4.98 km

633 m

241 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (80 m)

Lowest point (0 m)

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Weather

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Wednesday 27 May

31°C

18°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to cycle the Fort Alprech by the Liane loop?

This easy 15.8 km cycling route usually takes around 1 hour to complete, making it a great option for a leisurely ride.

Is this cycling route suitable for beginners or families?

Yes, the Fort Alprech by the Liane loop is classified as an easy cycling route. Its relatively flat profile with gentle inclines and mostly paved surface makes it suitable for all fitness levels, including beginners and families.

Where can I park to access the Fort Alprech by the Liane loop?

While specific parking areas aren't detailed, Outreau serves as the starting point for this loop. You should be able to find parking within Outreau or near the Fort d'Alprech area to begin your ride.

How can I reach the starting point by public transport?

Outreau is accessible by public transport. You can take a TER train to Boulogne-sur-Mer, and then local buses often connect Boulogne-sur-Mer to Outreau. Check local bus schedules for routes that accommodate bicycles if you plan to bring yours.

What is the terrain like on this cycling loop?

The terrain on this loop is mostly paved, which is ideal for touring bicycles. It features a relatively flat profile with some gentle inclines, totaling about 146 meters of elevation gain and loss over 15.8 kilometers.

What are the main sights and viewpoints along the route?

The route offers several interesting sights. You'll cycle around the historic 19th-century Fort d'Alprech, which provides views overlooking the sea and cliffs. Other highlights include the Entente Cordiale Bridge, La Liane, a Viewpoint: La Liane, and the Phare de Portel.

Does this route connect with other cycling paths?

Yes, sections of this route overlap with other official trails. You'll find it intersects with parts of the EV4 France, Le Touquet - Boulogne-sur-Mer, and the Ceinture de Boulogne, among others.

Is the Fort Alprech by the Liane loop dog-friendly?

While the route is generally accessible, specific rules for dogs on cycling paths can vary. It's best to keep dogs on a leash, especially in populated areas or near wildlife. Always ensure your dog is comfortable with cycling speeds and other users.

What is the best time of year to cycle this route?

The best time to cycle this route is typically during the spring, summer, and early autumn months when the weather is milder and more predictable. These seasons offer pleasant conditions for enjoying the coastal and river views.

Are there any permits or entrance fees required for this cycling loop?

No, there are no specific permits or entrance fees required to cycle the Fort Alprech by the Liane loop. It is a publicly accessible route.

Are there cafes or restaurants near the route?

Yes, as the loop starts and ends in Outreau and passes through Le Portel, you will find various cafes, restaurants, and other amenities in these towns where you can stop for refreshments.

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