Hike to Lac de Trécolpas – Complete Guide
Perched at over 2,150 meters, the lac de Trécolpas unfolds majestically among the peaks of the Mercantour. Located in the commune of Saint-Martin-Vésubie, this crystal-clear lake is accessible via the Trécolpas circuit, a hiking trail that winds through breathtaking mountain landscapes. Along the way, you might spot various wild animals in their natural habitat. Follow our guide through this captivating journey to reach Trécolpas Lake, the grand finale of the adventure.
Hiking features
- Distance 10 km
- Estimated duration 4h
- Difficulty Moyen
- Elevation gain + 600m / - 600m
Route Map
Trecolpas Circuit Itinerary
1 – From the restaurant L’Alpage, follow the marked trail and head towards the sign indicating the Cougourde refuge.
2 – After about 1.5 kilometers of ascent, you will cross the Boréon stream via a small wooden bridge.
3 – You will then reach a large meadow offering two route options. You can either head to the Cougourde refuge and then descend towards Lake Trécolpas, or do the reverse.
4 – Finally, you will descend again along the Boréon. Warning: Make sure to follow the same route as on the way up. Indeed, at the level of the bridge, the trail that continues down the right side of the stream is completely impassable and dangerous since Storm Alex in 2020. You can use a geolocation application to ensure you stay on the correct path.
Hiking Difficulty
The Trécolpas circuit is a wonderful hike of moderate but manageable difficulty. It will take you about 4 hours to complete the 10-kilometer route. Although accessible, the 600-meter elevation gain and some unstable sections may present minor challenges. Indeed, in this narrow valley, weather conditions sometimes cause landslides, covering certain parts of the trail. Nevertheless, the hike remains accessible to families with children as well as individuals in good physical condition.
Access to the Start of the Hike
- By car : Head to the Alpha Animal Park, located in the commune of Saint-Martin-de-Vésubie. You can park your vehicle in the lot in front of the park entrance. Then, follow the road to the restaurant L’Alpage and take the marked trail towards the Cougourde refuge.
- By bus (summer only) : You can reach the village of Saint-Martin-de-Vésubie from Nice via line 90. From Saint-Martin-de-Vésubie to Boréon, hiking shuttles are available during the summer only. Find all the details here.
Circuit de Trécolpas: A Journey Through Majestic Landscapes
While the lake of Trécolpas promises grandeur, the scenery along the trail leading to it is equally breathtaking. At the start of the journey, you’ll find yourself immersed in a dense forest where towering conifers provide a haven for a thriving squirrel population, while the Boréon stream whispers below. As you progress, the forest gives way to more open mountain views, revealing lush meadows and rocky ridges inhabited by chamois and ibex. The trail then draws closer to the Boréon, whose crystal-clear waters wind gracefully through the valley.
Observe wildlife in their natural habitat
Throughout the hike, you might have the opportunity to observe wildlife in their natural habitat. Among the animals you could encounter are chamois, ibex, squirrels, and various bird species. While squirrels tend to be quite elusive, chamois and ibex are more accustomed to the presence of hikers and may be easier to spot. When not on the steep slopes near the peaks, you may find them near the Boréon stream, where they come to drink. This is a perfect moment to appreciate these magnificent creatures. Remember to respect their space and avoid approaching them too closely. In the summer, you might also see cows grazing freely in the area.
Lake Trécolpas: The Highlight of the Show
After the ascent, a well-deserved reward awaits: Lac de Trécolpas, perched at 2150 meters altitude. This mountain lake with its sparkling water is surrounded by rocky peaks, offering a breathtaking setting. Take the opportunity to enjoy a picnic or capture unforgettable photos before continuing the rest of the trail to the Cougourde refuge. While the lake feeds the Boréon torrent, the true source of this watercourse is the Lac des Sagnes, located above the Cougourde refuge. The Boréon then flows on to join the Vésubie.
Why Are Dogs Prohibited on the Trail?
The Trécolpas trail is located in a protected area of the Mercantour. In the “core of the park,” dogs and other pets are not allowed, even on a leash. Although this may seem strict, this measure is intended to protect and ensure the tranquility of the park’s wildlife.
Trail to lac de Trécolpas: some safety tips
Weather and time of year
The ideal time for this adventure is from July to September, when weather conditions are most favorable. During these months, trails are generally clear and temperatures are pleasant. Always check the weather forecast before heading into the mountains. In case of heavy rain or storms, postpone your hike.
Recommended equipment
For this trail, sturdy hiking boots are essential. The rocky and uneven paths increase the risk of injury, making proper foot support crucial. To enhance comfort and stability, using hiking poles is recommended. They will help you navigate steep sections and reduce joint strain on the more challenging parts of the trail. Always bring water, food, and a first aid kit.
Phone network and GPS application
Note: There is no phone network coverage for most of the trail. Therefore, consider hiking in groups and equip your smartphone with a GPS app like All Trails, which allows you to download maps for offline use.
In conclusion
The hike to Lac de Trécolpas is a must-do adventure for nature enthusiasts. This sparkling mountain lake rewards you after an ascent through stunning alpine landscapes. Along the way, you might have the chance to spot wildlife such as ibex and chamois. While the trail is manageable, it requires a minimum level of fitness and good hiking boots. The Trécolpas circuit promises those who venture it an unforgettable experience in the heart of the Mercantour.