GR 52: Grande Traversée du Mercantour
GR 52: Grande Traversée du Mercantour
1
hikers
03:52
7.59km
630m
Hiking
Hike the moderate 4.7-mile Col du Fer Trail (via P45) in Mercantour National Park, gaining 2070 feet for panoramic alpine views.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
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8 m
Highlight • Mountain Pass
Translated by Google •
Tip by
4.84 km
Highlight • Mountain Hut
Translated by Google •
Tip by
7.59 km
End point
Way Types & Surfaces
Way Types
7.59 km
Surfaces
7.59 km
< 100 m
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Elevation
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Weather
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Tuesday 14 July
26°C
11°C
64 %
Additional weather tips
Max wind speed: 20.0 km/h
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This route was planned by komoot.
This moderate hike usually takes around 3 hours and 52 minutes to complete. Keep in mind that this is an estimated moving time, and your actual duration may vary depending on your pace, breaks, and how much time you spend enjoying the views.
The Col du Fer Trail (via P45) offers a varied terrain. You can expect tracks that gently wind through the landscape with gradual climbs, leading to more challenging sections as you ascend towards the pass. The route provides panoramic and remote landscapes with stunning 360-degree views, including the upper Arvan valley and the iconic Aiguilles d'Arve.
The trail takes you past the renowned mountain pass, Col du Fer, which is famous for its spectacular views. You'll also encounter Plan de Belvère, a hut that can serve as a landmark or a potential resting spot.
Rated as 'moderate', this trail involves a significant elevation gain of over 630 meters over 7.6 kilometers. While some sections may be gentle, the overall profile suggests it's best suited for hikers with a reasonable level of fitness and some hiking experience. Beginners might find it challenging.
The best time to hike the Col du Fer Trail (via P45) is typically during the warmer months, from late spring to early autumn (June to September). During this period, the snow has usually melted, and the weather conditions are more stable, offering clearer views and safer passage. Always check local weather forecasts before you go.
Yes, dogs are generally allowed on trails in this region. However, as this trail is located within the Mercantour National Park, it's crucial to keep your dog on a leash at all times to protect local wildlife and ensure a pleasant experience for all hikers. Always carry waste bags and clean up after your pet.
No, there are no specific permits or entrance fees required to hike the Col du Fer Trail (via P45) itself. However, as the trail is located within the Mercantour National Park, please be aware of and respect the park's regulations regarding protected areas, wildlife, and environmental preservation.
When hiking in Mercantour National Park, it's important to respect the natural environment. Key regulations include staying on marked trails, not disturbing wildlife or picking plants, refraining from lighting fires, and carrying out all your waste. Camping is generally restricted, and dogs must be kept on a leash. Always check the official Mercantour National Park website for the most current and detailed regulations.
Yes, the route also passes through sections of the Entraunes - Col de Salèse trail. A small portion of the Circuit de Tortisse also overlaps with this route.
Specific parking information for the 'P45' designation is not widely available. However, for trails in the broader Col du Fer area, parking is typically found at the base of the pass or near villages that serve as common starting points for hikes. It's advisable to research specific trailhead parking options closer to your travel date or consult local tourist information centers upon arrival.
Given the moderate difficulty and varied terrain, you should pack appropriate hiking boots, layers of clothing suitable for changing mountain weather, rain gear, sufficient water, snacks, a map or GPS device, sun protection (hat, sunscreen), and a first-aid kit. Trekking poles can also be beneficial for the ascents and descents.
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