Pobřežní stezka GR34 podél růžových žulových skal u Ploumanac'h v Bretani
GR Routes

GR34 Sentier des Douaniers

A coastal classic around Brittany with cliffs, lighthouses, villages and significantly simpler logistics.

Franciecoastcliffsvillages

Overview

GR34 is a long but accessible coastal route. For Trailio it is important as a counterpoint to high-mountain traverses: less technical, visually strong and suitable for shorter sections.

Distance
2,000 km
Time
80-110 days
Difficulty
Moderate
Route type
Linear

Route & profile

Quick orientation of the route line, start, end and elevation profile.

Elevation profileHighest 533 m a.s.l. · Lorient
Bretaň, Francie533 m268 m2 mMont-Saint-Michel0 kmSaint-Nazaire2,000 km
2,000 km · 12 stages

Elevation data per FFRandonnée (trail operator), indicative.

Start
Mont-Saint-Michel31 m a.s.l.
End
Saint-Nazaire2 m a.s.l.
Distance
2,000 km
Terrain
Střední

Map data: OpenStreetMap contributors, displayed via Waymarked Trails.

Planning

Daily average
22 km
Elevation/day
350 m
Average/day
55-105 EUR

Coastal hotels and campsites vary by season. Book beds on popular headlands ahead in July and August.

Season
May, June, July, August, September
Accommodation
hotel, campsite, gite

May to September. Summer brings services but also higher occupancy; spring and September are quieter and more photogenic.

pobřežní scenériedobré službyideální na části

What to expect

Character

A coastal trek with frequent alternation of cliffs, beaches, harbours, lighthouses and Breton villages. Technically more accessible but very long overall.

Who it's for

Both beginners and experienced hikers who want a long-distance trek with good services and the option to walk it in shorter sections.

Suggested pace

The full route is a multi-week project. Practical to select coastal sections of 4–10 days based on transport and accommodation.

Logistics

Coastal towns make logistics generally good. But stage selection is influenced by tides, weather, accommodation availability and seasonal demand.

Resupply & permits

Resupply

Coastal villages, campsites and supermarkets are frequent, but on wilder Breton headlands plan your water and food for the full day.

Permits & regulations

No permit. Some coastal sections may be temporarily closed due to erosion, tides or bird protection.

Why go

  • One of the most beautiful coastal lines in Europe.
  • An excellent trek for shorter holidays.
  • A great choice for people who don't want high-mountain terrain.

Watch out for

  • Wind and rain on the coast can make even easy stages significantly unpleasant.
  • Don't confuse the total length with the difficulty of individual sections.
  • Book accommodation in popular spots in advance.

Sources

Official

OfficialBrittany GR34OfficialEN
OfficialMonGR / FFRandonneeOfficialFR

Maps & GPX

MapWaymarked Trails searchEN

Accommodation

AccommodationBrittany accommodationEN

Frequently asked questions

When is the best time for Sentier des Douaniers?

May to September. Summer brings services but also higher occupancy; spring and September are quieter and more photogenic.

How hard is Sentier des Douaniers?

Sentier des Douaniers is rated as Moderate. A coastal trek with frequent alternation of cliffs, beaches, harbours, lighthouses and Breton villages. Technically more accessible but very long overall.

How many days does Sentier des Douaniers take?

Sentier des Douaniers usually takes 80–110 days. The full route is a multi-week project. Practical to select coastal sections of 4–10 days based on transport and accommodation.

Do I need a permit for Sentier des Douaniers?

No permit. Some coastal sections may be temporarily closed due to erosion, tides or bird protection.

What about resupply on Sentier des Douaniers?

Coastal villages, campsites and supermarkets are frequent, but on wilder Breton headlands plan your water and food for the full day.

Similar treks

Community

Photos from trekkers

Real shots from the trail by people who walked it — coming soon.