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Routes
Bike touring routes & trails
France
Finistère

Trégana Beach – Fort Bertheaume loop from Base sous-marine

Routes
Bike touring routes & trails
France
Finistère

Trégana Beach – Fort Bertheaume loop from Base sous-marine

Hard

4.5

(2)

24

riders

Trégana Beach – Fort Bertheaume loop from Base sous-marine

03:25

46.4km

700m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: August 14, 2026

Waypoints

A

Start point

Bus stop

Get Directions
1

1.13 km

Sainte-Anne du Portzic Beach

Highlight • Beach

Great descent but watch out for walkers.
The ascent is quite steep.

Translated by Google •

Tip by

4.43 km

Fort du Dellec

Ruins

3

13.5 km

4

15.6 km

View of the Rade de Brest

Highlight • Viewpoint

be careful during periods of Grand Cru, bring good studded tires

Translated by Google •

Tip by

5

18.2 km

Trégana Beach

Highlight • Beach

Small sandy beach with turquoise water, surrounded by rocks. Very popular, it offers many activities during the summer period, and restaurants and shops are accessible via a coastal path. Located …

Translated by Google •

Tip by

6

18.7 km

Portez Beach

Highlight • Beach

Portez beach is a beautiful beach of fine sand, largely sheltered from the winds to delight the greatest number of boaters. The beach is supervised during the high season and has an access ramp for people with reduced mobility.

Translated by Google •

Tip by

7

19.1 km

Porsmilin Beach

Highlight • Other

the third beach of Locmaria Plouzane

Translated by Google •

Tip by

24.6 km

Plage du Perzel ou de Bertheaume

Beach

9

25.2 km

Fort Bertheaume

Highlight • Castle

Guarding the entrance to the Goulet de Brest, this fort offers a beautiful view of the surroundings. In summer, visits are offered, as well as hanging and zipline activities.
Information: fort-de-bertheaume.bzh

Translated by Google •

Tip by

10

26.3 km

Three Priests Beach

Highlight • Beach

B

46.4 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

21.9 km

6.82 km

6.14 km

6.00 km

5.49 km

< 100 m

< 100 m

Surfaces

26.8 km

8.58 km

6.97 km

4.07 km

< 100 m

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Elevation

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

Highest point (90 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Thursday 29 October

16°C

6°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

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