Snow-covered trail
OccasionalSnow-covered trail
10-25% chance
Provence-Alpes-Côte d'Azur·France
GR52 / GR510 Traversée du Mercantour
Photo © Patrick Coquillard (CC BY-NC-ND 2.0) · CC BY
Duration
15-23 days
Distance
226.2 km
Elevation gain
12437 m
Max altitude
2709 m
La Traversée du Mercantour via le GR52 et le GR510 est une aventure alpine de 226,2 km traversant les Alpes-Maritimes en Provence-Alpes-Côte d'Azur. Ce parcours de montagne cumulant 12 437 m de dénivelé positif mène jusqu'à 2 709 m d'altitude, avec une immersion forte dans les paysages contrastés du massif du Mercantour. L'itinéraire traverse des sommets rocheux, des lacs d'altitude, des forêts denses, des falaises, des grottes et des vallées préservées. Le GR52/GR510 permet de parcourir des territoires sauvages tout en restant connecté aux accès publics autour de Nice, Tende et Menton.
SummitsCavesLakesForestsCliffsValleys
When to go
Best period : June - SeptemberPossible with care : OctoberNot recommended : November - May
IdealPossibleAvoid
Click a month to view details
October - possible, with care
PossibleThis month can work, but conditions are usually more variable than during the best period. The indicators below may be localized on the most exposed sections; check recent conditions before setting out.
Each percentage is the probability of encountering the event at least once during the month, not its intensity or the share of the trail affected. Probabilities are calculated from weather and satellite data* from the last 10 years.
Cold nights
Cold nights
Minimums around ~ -1°C on high points
Cold nights
Significant rain
RegularSignificant rain
40-60% chance
Storm-prone conditions
RareStorm-prone conditions
5-10% chance
Dry conditions
RareDry conditions
5-10% chance
Snow detail within the month
Early
Rare5-10% chance that the trail is snow-covered
Mid
Occasional10-25% chance that the trail is snow-covered
Late
Rare5-10% chance that the trail is snow-covered
Sources: Open-Meteo and MODIS satellite data.
How to get there
Public transport
Fully accessibleDépart : bus ligne 790 Nice–Entraunes (Lignes d'Azur), navette à la demande en été jusqu'à Estenc. Retour depuis Sospel/Menton : Train des Merveilles (Nice–Tende) ou bus ligne 100 Menton–Nice.
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