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Hiking trails & Routes

France

Morbihan

Groix

Port Lay – Groix loop from Groix

Routes

Hiking trails & Routes

France

Morbihan

Groix

Port Lay – Groix loop from Groix

Hard

4.9

(16)

124

hikers

Port Lay – Groix loop from Groix

03:37

13.7km

120m

Hiking

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: August 24, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 3.64 km for 25 m

Waypoints

Start point

Bus stop

Get Directions

1.13 km

Port Lay

Highlight • Other

Magnificent little typical port of Groix with its famous house overlooking the quay. Charm guaranteed whatever the time of day to savor different lights.

Translated by Google •

Tip by

1.63 km

Viewpoint

2.40 km

Poulziorec Beach

Highlight • Other

small cove hidden in the cliffs, accessible only at low tide

Showing Translation

Tip by

4.23 km

Ruins

5.04 km

Grognon Auxiliary Battery – underground fortification

Highlight • Other

This battery had been part of Fort du Grognon since the mid-1700s and had an underground powder magazine. This is where the gunpowder was stored. It was used in successive wars and adapted to advances in artillery over the centuries.

Translated by Google •

Tip by

7.76 km

View of the cliffs on Île de Groix

Highlight • Viewpoint

13.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

9.65 km

2.67 km

704 m

442 m

239 m

< 100 m

Surfaces

9.75 km

3.09 km

412 m

239 m

198 m

< 100 m

Elevation

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

Weather

Wednesday 26 August

24°C

17°C

-- %

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Comments

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Port Lay – Groix loop from Groix

Port Lay

Groix

Poulziorec Beach

Grognon Auxiliary Battery – underground fortification

View of the cliffs on Île de Groix

Nearby routes

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