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Mission 62

Corsica GR20 Ridge

Corsica, FranceCorsica Highlands

The hardest trail in Europe, through granite spires and maquis above the Med.

Time15 days
Terrainmountains · forest
PacePush · Expedition
Fly intoBIA / AJA

The briefing

Why this one

The GR20 is Europe's benchmark for mountain trekking - the scrambling, the silence, and the granite at sunrise is as good as trail walking gets on the continent.

The GR20 traverses Corsica north to south across 180 km of granite peaks, glacial lakes, and wild maquis - rated consistently among the most demanding and most spectacular long walks in Europe.

The rhythm

Long trail days starting at first light; refuge afternoons of blister care and good red wine; granite sunset rituals.

The energy

Earned, demanding, and deeply satisfying.

Who it's for

Fit, experienced multi-day hikers ready for a genuine athletic challenge in extraordinary mountain scenery.

When to go

June - September for open huts and passable conditions. September is the ideal balance of quiet and stable weather.

Pack list

  • Trail shoes with ankle support
  • Trekking poles
  • Sleeping bag liner
  • Emergency bivvy

The shape of it

A loose day-by-day

  1. 01ArrivalBastia; transfer to Calenzana for the northern trailhead.
  2. 02ExploreGR20 North: Cirque de la Solitude, Monte Cinto ridge, Lac de Nino.
  3. 03Big DayGR20 South: Plateau du Coscione, Bavella needles, final descent.
  4. 04ResetConca end-point; bus to Porto-Vecchio beach for recovery day.

The signature

Mission DNA

A read on the character of this trip - derived from how it actually moves, not a marketing label. Use it to sanity-check the fit before you commit.

Mission DNA

Extended expedition - how this trip actually feels and what it takes to pull off.

Intensity5/5
Visual payoff5/5
Logistical friction4/5
Comfort1/5

Getting there

Long-haul journey

Planning

Some planning

Remoteness

remote

Best season

Summer

Good for

Couples

Budget

Mid-range

Plan the moves

Trip readiness

The order you lock things in matters more than the price you pay. Here's the sequence that keeps this mission from falling apart.

Ready to make it real?

Book first

Refuge bookings on the northern section - the best huts fill within hours of opening in spring.

  1. 1Choose your travel window
  2. 2Lock your way there
  3. 3Pick your basecamp
  4. 4Reserve the guided experience
  5. 5Check official conditions before you leave

Sequence only - always confirm live availability, permits, and conditions with official sources before booking.

Make it real

Book it in the right order

Booked top to bottom, this sequence keeps your options open. Start with Refuge bookings on the northern section - the best huts fill within hours of opening in spring.

  1. Step 1FlightsGet into the region first - lock the dates that anchor everything else.Kiwi.com(opens in new tab)
  2. Step 2Where to stayBase yourself close to the trailheads and you buy back hours every day.
  3. Step 3Guided adventuresFor the technical or high-consequence days, go with licensed guides.
  4. Step 4Tours & activitiesSkip-the-research local experiences for the days you want handled.Tiqets(opens in new tab)Go City(opens in new tab)KKday(opens in new tab)WeGoTrip(opens in new tab)
  5. Step 5Luggage storageDrop your bags in the city so you can move unencumbered between checkout and the trail.

Stay connected in the field

An eSIM or travel SIM means no roaming surprises. Get one before you fly.

Airalo eSIM(opens in new tab)Saily eSIM(opens in new tab)Yesim eSIM(opens in new tab)DrimSim(opens in new tab)

We only surface categories that genuinely fit this trip.

Before you go

The northern GR20 involves exposed scrambling with significant drop exposure. Route-finding and fitness requirements are serious - do not underestimate them.

Adventure Missions are planning inspiration, not real-time travel or safety guidance. Always verify weather, permits, closures, local regulations, and official conditions before you leave.

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