The 10 most beautiful walks in Ariège
Ariège, a land of contrasts nestled in the heart of the Pyrenees, offers hikers an exceptional playground. With its majestic peaks, high-altitude lakes and unspoilt valleys, this south-western département offers breathtaking scenery. Whether you’re a beginner or an experienced hiker, Ariège has some unforgettable routes in store for you. Discover our selection of the 10 best walks in Ariège to explore this wild and authentic region.
Also read the Pyrenees guide :
- Visiting the Pyrenees: 20 must-dos
- Pyrenees sled dogs: 9 must-see spots
- Randonnées Secrètes Pyrénées : Wild horses
- Pyrenees: 6 mountain refuges not to be missed
- The 6 best ski resorts in the Pyrenees
- The most beautiful villages in the Pyrénées-Orientales
- 5 swimming spots in the Pyrénées-Orientales
- Top 6 activities in Toulouse
1. The Fontargente ponds loop
Situated in the Aston valley, the Fontargente lakes trail is one of the most popular walks in the Ariège. This trail takes you to three magnificent lakes nestling at an altitude of 2140 metres, at the foot of the Port d’Inclès. The trail passes through unspoilt alpine landscapes, alternating between grassy ridges and rocky areas.
The route starts from the Pla de las Peyres, accessible by car from the village of Aston. After a climb of around 1 hour 50 minutes, you’ll reach the first ponds, whose crystal-clear waters reflect the surrounding peaks. The view is simply breathtaking! This 8.5 km hike in the Ariège, with 471 metres of ascent, takes around 3 hours 35 minutes to complete. Although classified as difficult, it is still accessible to hikers used to the mountains.
The refuges along the way are ideal places to take a break and contemplate this enchanting panorama. Don’t forget your camera to capture these exceptional landscapes!
2. The Dent d’Orlu, an emblematic summit
The Dent d’Orlu, also known as the Pic de Brasseil, is one of the most legendary hikes in the Ariège. This 2222-metre peak, recognisable by its characteristic canine shape, majestically dominates the Orlu valley. While its vertiginous south face attracts seasoned climbers, the north face offers an accessible route for motivated hikers.
The route starts from the Poêle à Frire car park, at an altitude of 1512 metres. The ascent of this hike in the Ariège takes you through a magnificent forest before reaching the high-altitude pastures. The trail then climbs steeply to the summit, offering spectacular views of the Ariege Pyrenees Regional Nature Park.
Allow around 5 hours’ walk for this 15.4 km route, with a 1,037 metre ascent. The 360° panorama from the summit is well worth the effort! Please note that there are no water points on this walk, so be sure to bring plenty of provisions.
3. The Etang Bleu from Tarascon-sur-Ariège
Considered one of the most beautiful walks in the Ariège, the route to the Etang Bleu offers a breathtaking natural spectacle. Departing from Tarascon-sur-Ariège, this 9.5km route first passes through a splendid fir forest before reaching this glacial lake with its turquoise waters, set at an altitude of 1,912 metres.
The path runs alongside small streams and crosses narrow passages, adding to the charm of this hike in the Ariège. Once you reach the Etang Bleu, the panorama of the Cirque d’Embans, an ancient glacier nestling at the foot of the Pic des Trois Seigneurs, will leave you speechless. The reflections of the mountains in the calm waters of the pond create a magical atmosphere.
This challenging hike takes around 5 hours and involves a 769-metre ascent. For the more courageous, it is possible to continue to the Col de la Couillate to admire an even more impressive panorama of the border peaks.
4. The Pic des Trois Seigneurs, a legendary hike
The Pic des Trois Seigneurs, culminating at 2199 metres, is an unmissable hike in the Ariège. Its name derives from medieval times, when three seigneuries shared this territory. It starts from the Port de Lers, a road pass at an altitude of 1517 metres.
This 10.5km loop with 882 metres of ascent plunges you into an authentic mountain atmosphere. The first few kilometres include some technical sections that can become tricky in snow or icy conditions. Once these difficulties have been overcome, the trail becomes steadier all the way to the summit.
From the top of this emblematic peak, you can enjoy a 360° panoramic view of the Ariège Pyrenees, the green forests and the surrounding plains. This hike in Ariège takes around 5hrs 15mins and is suitable for experienced hikers. The Etang d’Arbu, on the route, is a refreshing stop-off before the final ascent.
5. The Ars waterfall, jewel of the Couserans
Nestling in the Garbet valley, the Ars waterfall is one of the most spectacular walks in the Ariège. This impressive waterfall, 246 metres high and spread over three levels, is one of the highest in the Pyrenees. It starts from the spa village of Aulus-les-Bains.
The path on this hike in the Ariège winds through lush forest before rising steadily towards the waterfall. The roar of the water can be heard long before you catch sight of this natural wonder. The spray creates a refreshing microclimate, particularly welcome on hot summer days.
Allow around 3h30 to 4h for the round trip of this moderately difficult hike. The 10.3 km route has an ascent of 687 metres. For something different, you can opt for a loop that also includes the Etang de Guzet, extending the walk by a few kilometres.
6. Mont Valier, the giant of the Ariège
Mont Valier, culminating at 2838 metres, is the symbol of the Ariège. Although it is not the highest peak in the department, it is still the most emblematic and one of the most demanding hikes in Ariège. This mythical ascent has to be earned and represents a real challenge for hikers.
The walk starts from the Bordes-sur-Lez car park. The route crosses the Ribérot valley, dotted with magnificent waterfalls including the Nerech waterfall. The path then rises steadily through some magnificent scenery. This hike in the Ariège can be done over two days, using the Valier refuge as a stopover.
For the full ascent, allow between 9 and 11 hours’ walk for a round trip of 18.2 km with almost 1,900 metres of ascent. From the summit, the panorama takes in the entire Pyrenean mountain range. This hike is suitable only for experienced hikers who are well prepared physically.
7. Roquefixade castle and Coulzonne cave
This easy hike in the Ariège combines historical heritage and natural discovery. The Cathar Trail takes you to the ruins of Roquefixade castle, perched on a rocky outcrop 700 metres above sea level. This site is steeped in history and bears witness to the Cathar era that left its mark on the region.
After exploring the remains of the castle and admiring the breathtaking views over the surrounding valleys, the route continues on to the mysterious Coulzonne cave. This natural cavity intrigues and fascinates visitors. To visit it safely, take a headlamp and a safety rope.
This 6.1km walk in the Ariège has a difference in altitude of 259 metres and takes just 2 hours 35 minutes to complete. Accessible to all, it’s an excellent introduction to the Ariège countryside and Cathar history. The panorama from the castle alone is worth the effort.
8. The Decauville tunnels in the Orle valley
Here’s an original walk in the Ariège that combines industrial heritage and natural beauty. The route follows an old mining railway line and passes through several tunnels built into the mountainside. This unusual walk immerses you in the region’s mining history, while offering spectacular panoramic views.
The trail follows the old railway lines once used to transport ore. You’ll discover some remarkable engineering structures: tunnels, retaining embankments, remnants of wagons and galleries bear witness to the valley’s industrial past. Don’t forget your headlamp for safe passage through the tunnels!
This medium-difficulty hike in the Ariège stretches over 10.5 km with 540 metres of ascent. Allow around 4 hours 40 minutes for the walk. As well as the historical aspect, the route offers magnificent views of the border peaks and the Orlu nature reserve. A unique experience combining history, culture and nature!
9. The Pic d’Estibat from the Col de Port
The Pic d’Estibat, culminating at 1663 metres, is one of the finest walks in the Ariège for lovers of diversity. The route alternates between marked paths and off-piste sections, requiring a good sense of direction. The route starts from the Col de Port, which is accessible by road.
The climb to the summit takes you through various forest landscapes before reaching the more open areas. Once you reach the Pic d’Estibat, you’ll enjoy an exceptional panoramic view over the whole of the Ariège Pyrenees, the forests and the plains of the foothills. There’s a picnic area at the summit where you can eat while admiring the view.
This challenging hike in the Ariège is 9.5 km long and has an ascent of 629 metres. Allow around 4h30 for the walk. Beware, the descent is off-piste, where the markings may be hidden by vegetation. Take a map, compass and GPS with you to ensure your safety. This hike is suitable for experienced walkers.
10. The petrifying waterfalls of Roquefort
To round off our selection of the most beautiful walks in the Ariège, here’s a short but spectacular hike. The Roquefort waterfalls are a unique geological phenomenon in which limestone-laden water forms concretions that gradually petrify the surrounding vegetation.
This family hike in the Ariège takes just 30 minutes to cover 600 metres, with an ascent of 86 metres. The trail passes through lush green forest before reaching these extraordinary waterfalls. The spectacle of the crystal-clear waters tumbling down the limestone rocks is absolutely fascinating.
Despite its ease and short duration, this hike is well worth the diversions. The phenomenon of petrification creates unique mineral formations that change with the seasons. Be careful on the way back, though, as the descent can be slippery! This walk is an excellent way for the whole family to discover the natural wonders of the Ariège.
In conclusion, Ariège is a destination of choice for hiking enthusiasts. With 2,500 kilometres of waymarked footpaths, this Pyrenean department offers a remarkable diversity of itineraries to suit all levels. From family outings to challenging climbs, every hike in Ariège reveals exceptional landscapes where high altitude lakes, majestic peaks, tumultuous waterfalls and unspoilt forests mingle. Whether you’re attracted by the Fontargente lakes, the mythical Dent d’Orlu or the giant Mont Valier, these ten walks are an excellent starting point for exploring this wild and authentic part of the Pyrenees.
FAQ : Hiking in the Ariège
When is the best time to go hiking in the Ariège?
The best period is from June to October for trekking at altitude. Summer (July-August) offers the best weather conditions, but is also the busiest. Spring (May-June) and autumn (September-October) are ideal for hiking in the Ariège, with fewer people and pleasant temperatures. Winter is reserved for experienced hikers equipped for snow.
What level of experience do you need for hiking in the Ariège?
The Ariège has walks to suit all abilities. Beginners will find easy walks such as the Roquefort waterfalls or the Roquefixade castle. Intermediate hikers will appreciate the Dent d’Orlu and the Fontargente lakes. Difficult routes such as Mont Valier or Pic des Trois Seigneurs are for experienced walkers in good physical condition.
Do I need special equipment to hike in the Ariège?
For high-altitude hikes, you’ll need good mountain boots, weather-appropriate clothing, plenty of water, energy-giving food, a first-aid kit, a map and a compass or GPS. For some routes, such as the Decauville tunnels, a headlamp is essential. In winter or in difficult conditions, crampons and hiking poles are recommended.
Can you hike in the Ariège with children?
Absolutely! The Ariège offers many family-friendly walks. The Roquefort waterfalls, certain sections towards the Etang Bleu and the Château de Roquefixade are all suitable for children. Choose short routes with a moderate gradient and regular points of interest to keep them motivated. Make sure children have suitable equipment, and allow more time than for adults on their own.
Where can I find maps of walks in Ariège?
The Ariège tourist offices offer detailed maps and topographical guides. The official Ariège Pyrénées Tourisme website also offers a number of downloadable itineraries. IGN 1:25000 maps remain the benchmark for accuracy. Mobile applications such as Visorando, AllTrails and IGN Rando allow you to download GPS tracks of the main hikes in Ariège.
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