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Customs Officers' Trail – Grouin Point loop from Hillion

Routes

Hiking trails & Routes

Customs Officers' Trail – Grouin Point loop from Hillion

Moderate

4.8

(131)

597

hikers

Customs Officers' Trail – Grouin Point loop from Hillion

02:27

9.36km

80m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 15, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Réserve naturelle nationale de la baie de Saint-Brieuc

Waypoints

Start point

Bus stop

Get Directions

1.85 km

Beach

2.53 km

Customs Officers' Trail

Highlight • Trail

What work must have been that of a customs officer at the time. Walk these trails and get paid for it! All simply magnificent.

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3.04 km

Like a balcony overlooking the bay of Saint-Brieuc, the Pointe du Groin reveals a magnificent panorama of the latter. The place is also particularly popular with evening photographers who come to capture the glow of dusk.

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3.07 km

Pointe du Grouin Viewpoint

Highlight • Other

Located on a strategic point of the Bay of Saint-Brieuc, facing the points of Roselier (Plérin) and Cesson (Saint-Brieuc), it overlooks the Nature Reserve of the Bay. A belvedere has been built on the platform of the former blockhouse of the German occupying army during the 2nd World War. To defend the Atlantic Wall, 500 artillery posts have been installed throughout the department, including about ten on the Hillion peninsula.

Photo credit: Emmanuel Berthier

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3.32 km

Pathway Down to the Beach

Highlight • Trail

only for brave climbers! a very steep path down to the water

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4.24 km

Pointe des Guettes Viewpoint

Highlight • Viewpoint

The point gives access to a beautiful view of Morieux Cove and the surrounding coasts. An orientation table allows you to identify the surrounding villages. Take the time to sit there and read the landscape.

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4.84 km

View of the Mussel Beds

Highlight • Beach

5.30 km

Vue sur les bouchots

Highlight • Other

Stop in front of the orientation table and enjoy this exceptional landscape. At low tide, the mussel farms are clearly visible. Hillion Bay has been home to several mussel farming concessions since the 1960s. Here, we are talking about bouchot mussels, on wooden stakes planted in the sand. The bay and its powerful tidal ranges (the sea retreats up to 7km) are suitable for the growth of mussels, ready to be enjoyed from June to October. They have been Label Rouge certified since 2017. Direct sales in the Bon Abri mussel farming area.

Photo credit: Emmanuel Berthier

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5.96 km

La Promenade de L'Estran Coastal Path with Sea Views

Highlight • Trail

On this section you have a wonderful view of the coast in both directions. The ground is very good for hiking.

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9.36 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.15 km

1.47 km

1.38 km

1.06 km

286 m

Surfaces

5.28 km

1.28 km

1.25 km

629 m

570 m

340 m

Elevation

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

Weather

Saturday 9 May

14°C

9°C

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Customs Officers' Trail – Grouin Point loop from Hillion

Customs Officers' Trail

Grouin Point

Pointe du Grouin Viewpoint

Pathway Down to the Beach

Pointe des Guettes Viewpoint

View of the Mussel Beds

Vue sur les bouchots

La Promenade de L'Estran Coastal Path with Sea Views

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