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    GR20

    France · Corsica
    Mountainous

    A 180km trail traversing the mountainous spine of Corsica from Calenzana in the north to Conca in the south. The route crosses exposed granite ridges, scrambles over rocky terrain, and passes glacial lakes set in dramatic cirques. The northern half is significantly more technical, with chains and fixed ropes on steep sections. Expect basic refuges, limited water sources in summer, and intense heat at lower elevations. The landscape alternates between bare rock, pine forests, and fragrant maquis scrubland. A demanding trek requiring scrambling confidence.

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    Distance
    180 km
    Duration
    12–16 days
    Total Ascent
    12,500 m
    Total Descent
    12,500 m
    Elevation Range
    150–2225 m
    Region
    Corsica

    Monthly Trail Rating

    Based on passability window, temperature, precipitation patterns, and daylight hours.

    Jan
    Poor
    Feb
    Poor
    Mar
    Poor
    Apr
    Poor
    May
    Poor
    Jun
    Good
    Jul
    Good
    Aug
    Good
    Sep
    Good
    Oct
    Fair
    Nov
    Poor
    Dec
    Poor
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