Lac du Lauzanier and Lac de Derrière la Croix Trail
Lac du Lauzanier and Lac de Derrière la Croix Trail
4.7
(15)
201
hikers
05:03
13.3km
530m
Hiking
Hike 8.3 miles (13.3 km) through Mercantour National Park to Lac du Lauzanier and Lac de Derrière la Croix, gaining 1731 feet (528 metres).
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Parc national du Mercantour (cœur)
Parc national du Mercantour (aire d'adhésion)
Waypoints
Start point
Parking
Get Directions
658 m
Highlight • Lake
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Tip by
2.70 km
Highlight • Other
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Tip by
4.90 km
Highlight • Lake
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Tip by
6.64 km
Highlight • Lake
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Tip by
13.3 km
End point
Parking
Way Types & Surfaces
Way Types
9.68 km
3.59 km
< 100 m
Surfaces
9.68 km
3.59 km
< 100 m
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Elevation
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Weather
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Wednesday 20 May
16°C
4°C
0 %
Additional weather tips
Max wind speed: 7.0 km/h
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This route was planned by komoot.
The trail typically starts from the Pont Rouge parking area, which serves as the main access point for this hike. You'll find parking available there.
No, dogs are strictly prohibited on this trail, even on a leash, as it is entirely within the Mercantour National Park. This regulation is in place to protect the park's fragile ecosystem and abundant wildlife.
The best time to hike is generally from late spring to early autumn. Be aware that snow can persist in the early season, potentially making certain passages challenging, especially towards higher elevations like Lac de Derrière la Croix.
There are no specific permits or entrance fees required for hiking this trail within Mercantour National Park. However, strict regulations apply to protect the natural environment, such as the ban on dogs.
The hike to Lac du Lauzanier itself is considered family-friendly and relatively easy, despite its length. The first 500 meters are even wheelchair accessible. However, continuing to Lake Behind the Cross (Lac de Derrière la Croix) and beyond significantly increases the difficulty, requiring good physical fitness and alpine experience.
The initial section follows a wide, gentle path along the Ubayette river. Towards Lac du Lauzanier, the path ascends gradually, with some steeper sections featuring rocky stairs. Beyond the first lake, the terrain becomes more mineral as you head towards Lake Behind the Cross.
This trail is teeming with wildlife, most notably a high population of easily observable marmots. You might also spot ibex, especially on more challenging sections. The area features diverse flora, including the emblematic 'Reine des Alpes'.
You'll encounter the serene Lauzarouotes Pond, follow the L'Ubayette river, and reach the stunning Lac du Lauzanier and the Notre-Dame des Lumières chapel. Further on, you'll discover the more austere beauty of Lake Behind the Cross. Panoramic views unfold from higher points like 'la Croix' (2523m).
Yes, the route largely follows sections of the well-marked GR5 and GR56 long-distance hiking routes. It also covers 100% of the Tour de l'Ubaye and Via Alpina Blue D53 trails.
The ascent to Lac du Lauzanier typically takes between 1 hour 45 minutes to 2 hours, depending on your pace.
Yes, in a remarkable effort towards inclusivity, the first 500 meters of the trail are fully accessible for individuals in wheelchairs. A multi-sensory reading table is also available for those with visual or hearing impairments near the start.