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Beg ar Forn – Grottes de Pen loop from Saint-Efflam

Routes

Running trails & routes

Beg ar Forn – Grottes de Pen loop from Saint-Efflam

Hard

runners

Beg ar Forn – Grottes de Pen loop from Saint-Efflam

02:36

22.2km

370m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: February 28, 2026

Waypoints

Start point

Bus stop

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5.89 km

Beg ar Forn

Highlight • Gorge

Absolutely stunning cliffs with sometimes dizzying falls covered in greenery.

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6.56 km

Grottes de Pen

Highlight • Cave

9.12 km

Beach

11.5 km

Étang du Vorlen

Highlight • Lake

11.7 km

View of Locquémeau and the Start of the Cliffs

Highlight • Viewpoint

From Kornejo, the view of Locquémeau and the start of the cliffs is simply breathtaking. Nestled on the seafront, this viewpoint offers a spectacular panorama of the small port of …

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14.0 km

Rocky Coastal View

Highlight • Viewpoint

15.5 km

Locquémeau Cliffs

Highlight • Climb

The trail takes you to the top of these green, rolling cliffs, with steep slopes and stunning views.

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20.0 km

Beach at Pont ar Yar

Highlight • Beach

The beaches of Saint-Efflam, Pont ar Yar and Saint-Michel combine three to four kilometers of uninterrupted beaches (except at very high tide).

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20.9 km

View from Grand Rocher

Highlight • Viewpoint

With its 84 meters of altitude, the Grand Rocher dominates the entire Saint-Michel strike and offers an exceptional panorama. In good weather, the rock hidden between tall pines and the …

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22.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

7.80 km

6.06 km

2.87 km

2.70 km

1.19 km

1.09 km

468 m

Surfaces

6.96 km

6.10 km

4.74 km

2.17 km

1.19 km

1.01 km

Elevation

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

Highest point (80 m)

Lowest point (0 m)

Weather

Friday 22 May

21°C

12°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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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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Beg ar Forn – Grottes de Pen loop from Saint-Efflam

Beg ar Forn

Grottes de Pen

Étang du Vorlen

View of Locquémeau and the Start of the Cliffs

Rocky Coastal View

Locquémeau Cliffs

Beach at Pont ar Yar

View from Grand Rocher

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