Hike from the house

From Serpent Rock to Lion Rock

Sea breezes, golden dunes as far as the eye can see, and a trail that runs along the Atlantic Ocean... Welcome to Ploudalmézeau, in Finistère (Brittany), where the hike from Serpent Rock to Lion Rock awaits you. This coastal circuit is a true concentration of nature and seascapes, perfect for a nature walk in Finistère during your vacation. Treat yourself to this invigorating getaway that will spice up your seaside vacation in Brittany!

This approximately 3.5 km trail (allow ~ 1.5 hours of leisurely walking) offers an accessible and interesting discovery. Between wild dunes, Breton legends and ocean views, the coastal path – a portion of the famous Breton GR34 – has something to delight young and old alike. Put on your walking shoes, grab your camera, and let's go for an unforgettable coastal adventure in Ploudalmézeau!

A coastal path between legend and marine panoramas

The starting point is located at the parking lot of the old Tréompan campsite, very close to the large beach of the same name. From the start, you join the Brittany coastal path (the GR34, nicknamed the customs officers' path) which runs along the dune. After a few hundred meters, you gain a little height on the sandy ridge: the sea appears on the horizon and a wide panorama is revealed. Below stretches the beach of Tréompan , with its turquoise waters and its ribbon of fine sand bordered by marram grass. On a clear day, you can see the islet of Carn and other islands of the Portsall archipelago in the distance.

A little further on, you will discover the first emblematic rock of the circuit: the Serpent Rock , lying in the water not far from the shore. This curious rock owes its name to a Breton legend : it is said that once upon a time a terrifying dragon (or great sea serpent) haunted these coasts, before being defeated and petrified by a local saint. By observing the shape of the rock, we can actually imagine the head of a snake emerging from the waves... Enough to amaze children and tickle everyone's imagination!

The trail continues to wind (it's a no-brainer) along the coastline. You're walking through unspoiled nature, with the ocean on one side and the dune on the other. Don't hesitate to turn around from time to time: the view of the coast is magnificent, between rocky coves and the sea horizon. This stretch of coast is also swept by offshore winds – that's what makes it so invigorating. In fact, on days with a strong breeze, you might even see enthusiasts paragliding on the dune or flying miniature gliders thanks to the updrafts created by the wind. An unusual spectacle that testifies to the sporty nature of this windy spot!

Wild dunes and legacy of the past

Along the way, it is impossible to miss a large, intriguing building with pink walls, facing the sea. This pink villa on the Tréompan dune was built in the 1930s by Bernard Natan, a pioneer of French cinema at the time. It's a little historical nod along the path: who would imagine that a film magnate would have chosen this corner of Brittany to build his holiday residence? Moreover, Tréompan beach seduced more than one famous person in the interwar period – it is even said that the famous Joséphine Baker came to swim there when she stayed in Brittany!

Further on, the natural setting reveals a completely different testament to the past: the remains of the Atlantic Wall . Along the path, partially buried in the sand, you can see an old World War II blockhouse . This gray concrete bunker, overgrown with lichens and wild plants, is a reminder that this peaceful coast has known darker times. You're free to carefully climb onto its platform to enjoy a different view of the bay—bunkers often offer a 360° panorama, ideal for photos. Between history and nature, the contrast is striking: historic concrete on one side, living dunes on the other.

The Tréompan dunes surrounding you are among the most beautiful dune massifs in northern Finistère. This fragile environment is protected, so stay on the marked trail to preserve the vegetation. The sand is held in place by beachgrass and other typical dune plants. In spring, pretty wildflowers appear here and there, such as the small pink squirrels that carpet certain corners. The site is also home to a small but discreet fauna: keep your eyes peeled, you might spot a wild rabbit darting between two bushes or a lizard basking on a rock. Numerous seabirds soar above the waves, and several varieties of colorful butterflies enjoy the flowery edges of the trail. It's a real treat for nature lovers and photographers looking for authentic shots.

An easy and ideal walk for everyone

With its moderate distance and low elevation gain, the Serpent au Lion loop is suitable for the whole family . The trail alternates between sandy paths and short, firmer sections; wear comfortable shoes (walking in the sand can be a bit of a challenge for your calves!). About halfway through, a wooden staircase helps you cross the dune by going around a rocky area, which adds a touch of adventure without too much difficulty. Take your time, take breaks to admire the scenery and listen to the sound of the waves – after all, you are on vacation. 🙂

Continuing west, you will eventually reach the second iconic rock: the Lion Rock . This imposing rock formation owes its name to its silhouette reminiscent of the head of a lion lying down watching over the ocean. Seen from the side, you can clearly see the muzzle and mane of the stone lion ... Don't hesitate to look for the best viewing angle, it's almost an optical illusion! Near the Lion Rock, a few wooden benches invite walkers to sit down for a moment. It's the perfect spot for a snack break or simply to admire Portsall Cove and the offshore islands. At low tide, the coastal landscape reveals even more detail: you can make out oyster beds and even old traditional fisheries in the rocks, witnesses to the maritime life of yesteryear.

Whether you're traveling with young children, as a couple, or with friends, this hike in Ploudalmézeau has something for everyone. Here's why this coastal path is a hit:

• For families: a short and safe trail, with stories of legendary rocks to tell the children. Little adventurers will love running in the sand and spotting the "snake's head" or the "lion's head" in the rocks!
• For nature lovers: total immersion in a preserved environment, between dunes, ocean and wild coves. The calm of the place, the song of seabirds and the salty air offer a true moment of rejuvenation.
• For amateur photographers: exceptional light at the end of the day on the dunes and the water, panoramic views of the coast, varied subjects (marine landscapes, historic bunkers, details of flora, etc.). Your Brittany souvenir album will be well filled!

Finally, be aware that the Serpent au Lion circuit is accessible in all seasons. Summer might offer you a little swim at Tréompan beach to refresh yourself after the walk. In spring, the dunes are in bloom and the crowds remain limited – ideal for enjoying the birdsong alone. Even in winter, in good weather, the walk has its charm with the raging sea and an invigorating atmosphere (just bring a good windproof jacket!).

Ready for your next seaside vacation?

Want to discover this beautiful trail and the treasures of Ploudalmézeau for yourself? All you have to do is plan your seaside stay! And to fully enjoy this Breton break, our seasonal rental awaits you just a stone's throw from the trail. The Gîte & Bulle des Dunes de Tréompan– available on dunes.bzh – is ideally located near Tréompan beach and offers all the comforts to recharge your batteries after your hikes. Imagine staying in an authentic, renovated fisherman's house, with direct access to the dunes and a panoramic sea view... A true little paradise to extend the experience!

Don't hesitate, pack your bags for Brittany. Between coastal paths , marine legends and relaxing on the beach, Ploudalmézeau promises you unforgettable memories. We will be delighted to welcome you and recommend other nature walks in the area. See you soon on the Coast of Legends for new Breton adventures!

Source: https://3p-promeneursploudalportsall-29.fr/circuit-n2-du-serpent-au-lion/

Thanks to the Promeneurs Ploudal Portsall team