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Hiking trails & Routes
France
Hauts-De-France
Abbeville
Saint-Quentin-En-Tourmont

Les Crocs - Around Marquenterre Trail

Moderate

Les Crocs - Around Marquenterre Trail

02:32

10.0km

20m

Hiking

Hike the moderate 6.2-mile Les Crocs - Around Marquenterre Trail through dunes, pine forests, and beaches in Parc du Marquenterre.

Last updated: February 26, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions. Check ahead to confirm restricted segments are open to the public.

After 279 m for 648 m

After 1.07 km for 427 m

After 2.73 km for 551 m

After 9.66 km for 86 m

Waypoints

A

Start point

Parking

Get Directions

1

2.21 km

Marquenterre Park

Highlight • Other

Magnificent ornithological park with several viewpoints designed to observe birds without being seen. Visit at several times of the year to see different species.

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Tip by

2

7.59 km

If you're lucky, you'll see sea lilacs, a plant with purple flowers that covers the beach in summer. It is a rare and magnificent spectacle that will make your hike unforgettable.

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Tip by

3

7.78 km

Marquenterre Park Observatory

Highlight • Viewpoint

The observatory is a natural observatory that offers panoramic views of the sea, dunes and birds. The observatory is open all year round and is free. You can also enjoy …

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Tip by

4

8.93 km

If you are looking for a breathtaking view of the Parc du Marquenterre, a nature reserve that hosts hundreds of migratory birds, you must not miss this viewpoint where a …

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B

10.0 km

End point

Parking

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Way Types & Surfaces

Way Types

5.52 km

4.38 km

< 100 m

Surfaces

4.30 km

3.08 km

2.30 km

< 100 m

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Elevation

Elevation

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Weather

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Thursday 28 May

25°C

17°C

-- %

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Frequently Asked Questions

Where does the Les Crocs - Around Marquenterre Trail start, and is there parking available?

This loop trail typically starts from Le Bout des Crocs. While specific parking facilities aren't detailed, it's the common access point for the area. Always check local signage upon arrival for designated parking zones.

What is the terrain like on this hiking route?

The trail offers a diverse terrain. You'll walk through dense pine forests and dunes (locally known as 'les Crocs'), along a vast sandy beach, and on dykes near the Marquenterre Park. Be prepared for approximately 4 km of walking in sand, which can be challenging, especially on sections like the 'Sentier des Bergers'.

Is the trail suitable for beginners or families with children?

While the overall difficulty is rated as 'moderate', sections can be quite challenging due to walking in sand and potential steep ascents out of the pine forest. It's crucial to check tide times as parts of the beach become impassable at high tide. Families with younger children or beginners should be prepared for these demanding sections and consider shorter alternatives if needed.

What wildlife can I expect to see along the way?

This trail is a paradise for birdwatchers, being within the Baie de Somme Nature Reserve and near the Marquenterre Ornithological Park. You might spot over 300 bird species, including avocets and spoonbills, from various observation points. Other wildlife like rabbits, deer, and wild boars also inhabit the area.

What are the best times of year to hike this trail?

The trail remains beautiful throughout the year due to its largely persistent vegetation. However, for birdwatching, spring and autumn migrations are particularly rewarding. Always check weather forecasts and tide times, as high tides can make parts of the route impassable, and walking in sand can be very tiring on sunny days.

Are dogs allowed on the Les Crocs - Around Marquenterre Trail?

Information regarding dogs on this specific trail is not explicitly detailed in the provided sources. Given its location within a natural reserve and near an ornithological park, it's advisable to check local regulations or contact the Parc du Marquenterre directly regarding dog policies, especially leash requirements, to protect local wildlife.

Do I need a permit or is there an entrance fee for the Parc du Marquenterre or the trail itself?

The trail itself does not typically require a permit or entrance fee. However, if you plan to visit the Marquenterre Park (ornithological park), there is an entrance fee. It's always a good idea to check the official websites of somme-tourisme.com or tourisme-baiedesomme.fr for the latest information on park access and regulations.

What notable sights or viewpoints can I find on the route?

The trail offers stunning views of the sea and an immense, wild beach. You'll pass by observation areas perfect for birdwatching. Key highlights include the Marquenterre Park, the Marquenterre Park Observatory, and a Panoramic view of Marquenterre Park. In the distance, you can also spot 'bouchots' (mussel farms) and distant towns like Cayeux and Le Crotoy.

Does this trail intersect with other well-known paths?

Yes, the route incorporates sections of several official trails. Approximately 50% of the route follows the 'Les Crocs' path, 45% is part of the 'Sentier du Littoral', and smaller sections (17% and 4%) are on the 'Sentier des Bergers'.

What should I be aware of regarding tides when planning my hike?

It is absolutely crucial to check tide times before starting your hike. Parts of the route along the beach become impassable at high tide, especially during strong tidal coefficients. Planning your hike around low tide is highly recommended to ensure a safe and complete journey.

Are there any specific challenges or insider tips for hiking this trail?

The most significant challenge is the extensive walking in sand, which can be very tiring. Ensure you bring plenty of water, especially on sunny days. An insider tip is to be mindful of the tides; planning your hike during low tide will allow you to fully enjoy the beach sections. The final ascent out of the pine forest to the dunes can also be steep, so be prepared for a short, strenuous climb.

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