4.1
(370)
10,288
riders
85
rides
Road cycling routes around Plouharnel traverse a diverse landscape of coastal paths, extensive dunes, and countryside. The region, situated in Southern Brittany, features a 10-kilometer coastline and the unique Isthmus of Penthièvre. Paved surfaces are common, with dedicated cycle paths like "La Littorale" offering scenic rides. Elevations are generally low, with most ascents under 250 meters.
Last updated: October 2, 2026
4.8
(8)
91
riders
25.9km
01:07
120m
120m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.7
(3)
67
riders
57.7km
02:50
200m
200m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

5.0
(1)
38
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.0
(1)
38
riders
44.5km
01:49
160m
160m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
3.5
(2)
41
riders
137km
05:56
1,020m
1,020m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
Get access to more routes and recommendations from other explorers.
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
This is the side road from Carnac via Po to Plouharnel with little traffic
0
0
A beautiful but somewhat uneven cycle path from Plouharnel towards Quiberon.
1
0
Beautiful boulevard directly on the waterfront with a view of the sea
1
0
The place of oysters and mussels. Everywhere seafood is offered for sale and direct consumption.
0
0
Wild rugged coastline interspersed with beautiful beaches
0
0
A very pleasant walk this morning on the Quiberon peninsula under a radiant sun and without wind. It's a classic for me and one never tires of it, especially outside of holiday periods (very few cars).
0
0
The country road here is fine for riding a racing bike. Not too much traffic.
0
0
Plouharnel offers a diverse road cycling experience. You'll find extensive networks of paved surfaces, including dedicated cycle paths like "La Littorale" along the coast and the unique Isthmus of Penthièvre. Routes often traverse coastal paths, extensive dunes, and countryside, with generally low elevations, most ascents being under 250 meters.
Yes, Plouharnel has options for various ability levels, including easy rides. For instance, the Pont Lorois – Port du Vieux Passage loop from Plouharnel - Carnac is rated as easy. The region's dedicated cycle paths and generally low elevations make it suitable for less experienced cyclists and families.
Road cycling in Plouharnel allows you to explore a rich variety of natural features. You'll encounter the extensive dunes and a 10km-long coastline, the unique Isthmus of Penthièvre bordered by beaches, and the beautiful Bay of Quiberon. The area also features countryside, salt marshes, and craggy cliffs along Quiberon's Wild Coast. The Gâvres-Quiberon Grand Site, Brittany's largest sand dune bank, is a notable highlight.
Yes, Plouharnel and its surroundings are rich in history. You can cycle past megalithic sites like the globally famous Carnac Alignments and the Alignments of Ménec. The quaint "Vieux Bourg" of Plouharnel with its traditional stone houses and chapels, and the village of Sainte-Barbe, are also charming stops. You might also encounter World War II remains like blockhouses and bunkers in the dune areas, and impressive Benedictine abbeys near the ocean.
There are over 80 road cycling routes available around Plouharnel, catering to various skill levels. The komoot community has explored these routes extensively, with over 1,600 road cyclists using komoot to discover the area's diverse terrain.
The area is highly rated by the komoot community, with an average score of 3.9 stars from over 50 reviews. Cyclists often praise the scenic coastal paths, the unique experience of riding along the Isthmus of Penthièvre, and the variety of routes that combine natural beauty with historical sites.
Yes, Plouharnel offers several longer routes. For example, the Auray – Le Bono cycle path – Passage to Berder Island loop from Plouharnel - Carnac covers over 71 kilometers. Many routes extend into the surrounding areas, providing opportunities for longer rides exploring the Bay of Quiberon and beyond.
Many of the road cycling routes in Plouharnel are designed as loops, allowing you to start and finish in the same location. Examples include the Men Du Beach – Saint Philibert Chapel loop from Plouharnel - Carnac and the Étel Estuary – Pont Lorois loop from Plouharnel - Carnac, which are popular choices among local cyclists.
Plouharnel is an excellent destination for road cycling throughout much of the year. The mild climate of Southern Brittany makes spring and autumn particularly pleasant, with comfortable temperatures and beautiful scenery. Summer also offers great conditions, though coastal areas can be busier. Even in winter, many paved routes remain accessible, offering a quieter experience.
While many routes feature low elevations, there are options for more experienced cyclists seeking longer distances or slightly more varied terrain. The region's network allows for combining routes to create longer, more challenging rides, and some routes, like the Auray – Le Bono cycle path – Passage to Berder Island loop from Plouharnel - Carnac, offer greater distances and elevation gains.
Yes, Plouharnel is ideally situated as a gateway to the Quiberon Peninsula. The Isthmus of Penthièvre, a key feature of the area, provides a dedicated cycle path that connects the peninsula to the mainland, allowing for scenic rides along its dramatic Wild Coast and stunning coastal scenery.


Browse the best Road cycling routes in other regions.