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Great Blue Lake – Blue Lake loop from Erquy

Routes

Hiking trails & Routes

Great Blue Lake – Blue Lake loop from Erquy

Moderate

4.8

(12)

155

hikers

Great Blue Lake – Blue Lake loop from Erquy

02:41

9.97km

130m

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: August 22, 2026

Waypoints

Start point

Bus stop

Get Directions

2.88 km

Great Blue Lake

Highlight • Lake

The larger of two lakes formed from a disused quarry.

Translated by Google •

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3.03 km

Blue Lake

Highlight • Lake

The smaller of the two lakes formed for a previous quarry,

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3.51 km

The old quarries of Tu-es-Roc

Highlight • Other

Towards the end of the 18th century, the Le Doledec family company began mining a fine-grained rock they called "granite" in the quarries north of Erquy. The stones were cut …

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3.63 km

A cannonball furnace, or cannonball-reddening furnace, is a military heating device used from the 17th to the 19th centuries to heat cannonballs to red-hot temperature, used as projectiles for cannons fired against ships or wooden buildings.
ville-erquy.com/culture-et-patrimoine/patrimoine/four-a-boulets

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3.84 km

Guardhouse

Highlight • Other

The Corps de Garde of the Three Stones at Erquy, built around 1744, was part of a vast defensive system initiated by Louis XVI on the coast of Brittany.

Das …

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4.15 km

Port Blanc Cove

Highlight • Beach

Anse de Port Blanc is accessible via the GR34, Brittany's famous coastal hiking trail. The bay is surrounded by steep cliffs of distinctive pink sandstone, which plunge dramatically into the sea.

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4.67 km

Pointe des Quatre Vents (Cap d’Erquy)

Highlight • Viewpoint

Pointe des Quatre Vents is a small, distinctive headland west of Erquy. As its name—"Headland of the Four Winds"—suggests, it is particularly windswept and open, giving the coastline a rugged, pristine appearance.

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6.61 km

Port d'Erquy

Highlight • Other

A photogenic harbor area that offers plenty of photo opportunities even at low tide, but especially in fog. Backlit shots at low tide can be very interesting!

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9.97 km

End point

Bus stop

Way Types & Surfaces

Way Types

4.11 km

3.25 km

1.20 km

946 m

468 m

Surfaces

4.03 km

2.63 km

1.78 km

1.01 km

264 m

215 m

Elevation

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

Weather

Today

Sunday 6 September

24°C

15°C

19 %

Additional weather tips

Max wind speed: 15.0 km/h

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Comments

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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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Great Blue Lake – Blue Lake loop from Erquy

Great Blue Lake

Blue Lake

The old quarries of Tu-es-Roc

Cannonball furnace

Guardhouse

Port Blanc Cove

Pointe des Quatre Vents (Cap d’Erquy)

Port d'Erquy

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