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Grande Island – Île-Grande Tower loop from Trébeurden

Routes

Hiking trails & Routes

Grande Island – Île-Grande Tower loop from Trébeurden

Moderate

4.7

(89)

498

hikers

Grande Island – Île-Grande Tower loop from Trébeurden

04:31

17.1km

150m

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: June 19, 2026

Tips

Temporary access restrictions

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

After 5.47 km for 102 m

Waypoints

Start point

Bus stop

Get Directions

5.18 km

Grande Island

Highlight • Natural

Between its pebble and fine sand beaches, Île Grande is a pretty piece of land. It is also home to the pretty port of Saint-Sauveur and the Kervoalant marshes, and …

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5.60 km

Île-Grande Tower

Highlight • Other

To go around the island you can follow the GR 34 (customs trail) markings. Allow seven kilometers, or about three hours of leisurely walking.

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5.78 km

Dunes of Toul Gwenn

Highlight • Other

6.71 km

Porz Gelen

Beach

7.63 km

Sculpture on the north shore of Île-Grande

Highlight • Monument

This statue pays tribute to the workers of the Brintec'h quarry, operated from 1930 to 1960 and which extracted blue granite.

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7.96 km

Plage Porz Gwen

Beach

8.87 km

Former Castel Erek Quarry

Highlight • Structure

Now filled with water, this seemingly harbor structure is actually a former quarry.

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9.90 km

View of the Old Lighthouse

Highlight • Monument

In the harbor there is a beautiful old lighthouse, which you can see from a distance at high tide and from a little closer at low tide.

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10.3 km

Port Saint-Sauveur

Highlight • Other

Nice view of the harbor

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10.3 km

Ile Grande - West Point

Highlight • Other

17.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.04 km

5.25 km

3.28 km

1.44 km

597 m

536 m

Surfaces

6.35 km

4.41 km

2.42 km

1.77 km

1.54 km

536 m

111 m

Elevation

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

Weather

Thursday 25 June

22°C

17°C

16 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

Comments

May 19, 2024,Tour de l'île grande - Trebeurden

Very pleasant walk on the customs officers' path which goes around the Grande Island.
Carnival day which brings together the local population in a festive and musical atmosphere. (Pentecost Sun). We really liked it!
The coastal landscapes are exceptional. Interesting point: the old granite cobblestone quarries located on the coast. Closed in 1989. We can imagine the hard work of …

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July 15, 2022,Ruines sur l'Île-Grande – Formations et bassins rocheux Circuit à partir de Trébeurden

Very nice hike
Breathtaking landscape
Mainly flat

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July 2, 2023,Rundwanderung um die île Grande

A nice varied hike, unfortunately we didn't have sunny weather

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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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Grande Island – Île-Grande Tower loop from Trébeurden

Grande Island

Île-Grande Tower

Dunes of Toul Gwenn

Sculpture on the north shore of Île-Grande

Former Castel Erek Quarry

View of the Old Lighthouse

Port Saint-Sauveur

Ile Grande - West Point

Nearby routes

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