Different GR20 stages

If you do one stage per day, it will take you about 16 days to complete the trail. It starts in Calenzana, situated in the North West, then runs down diagonally across the island to Conca, in the South East.  The midway point is Vizzavona, a large forest, with easy access by road or train and a good selection of different accommodations dotted about.

It is difficult to determine the best moment to do the GR, the season is short and the weather is fickle.  Do not underestimate the wide ranging conditions you might encounter, it is a high mountain walk.  This beautiful, sunny Mediterranean island is known for its ‘micro climates’, the conditions can be harsh and the weather changes fast from valley to valley.  You can be walking in relentless, burning heat, followed by thick fog, pelting hail and rain in the same day.

The nature of the terrain changes constantly, it is particularly varied. Parts of it are high and airy with sheer rock that gives a lunar aspect. Parts of it involve walking on large blocks of granite, or scrabbling on loose shingle. There are long exposed ridge walks but you will also find  green spongy pastures, woodland, lakes, forests and grazing land.  The contrast is really very surprising.

GR20 Stage by Stage North - South

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Calenzana to Ortu di u Piobbu

This is the first stage of the GR20. The distance is 12km (7.5 miles) Total ascent 1550m. Total descent 235m. Effective walking time 7hrs.

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Ortu di u Piobbu to Carrozzu

Stage two of the GR20. The distance is 8km (5miles) Total ascent 750m. Total descent 1050m. Effective walking time 6h30.

Spasimata Swing Brigde
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Carrozzu to Haut Asco

Stage three of the GR20. The distance is 6km (3.75 miles) Total ascent 860m. Total descent 710m. Effective walking time 5h30hrs.

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Haut Asco to Vallone

Stage four of the GR20. The distance is 9km (5.5 miles) Total ascent 1250m. Total descent 1230m. Effective walking time 9h30.

Arriving in Ciottulu
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Vallone to Ciottulu di Mori

Stage five of the GR20. The distance is 15km (9.5 miles) Total ascent 850m. Total descent 870m. Effective walking time 6hrs.

Lake Nino
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Ciottulu di i Mori to Manganu

Stage six of the GR20. The distance is 25km. Total ascent 650m. Total descent 1050m. Effective walking time 9hrs.

There, it is the southern Corsica !
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Manganu to Petra Piana

Stage seven of the GR20. The distance is 17km (10.5 miles) Total ascent 670m. Total descent 475m. Effective walking time 6hrs.

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Petra Piana to Onda

Stage eight of the GR20. The distance is 8km (5 miles) Total ascent 390m. Total descent 800m. Effective walking time 4h00.

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L'Onda to Vizzavona

Stage nine of the GR20. The distance is 13km (8 miles) Total ascent 990m. Total descent 1500m. Effective walking time 7h30.

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Vizzavona to Capanelle

Stage ten of the GR20. The distance is 16km (10 miles) Total ascent 1000m. Total descent 335m. Effective walking time 5h30.

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Capanelle to Col de Verde

Stage eleven of the GR20. The distance is 14km (8.75 miles) Total ascent 320m. Total descent 620m. Effective walking time 4h30.

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Col de Verde to Usciolu

Stage twelve of the GR20. The distance is 16km (10 miles) Total ascent 1290m. Total descent 830m. Effective walking time 7h30.

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Usciolu to Crocce

Stage thirteen of the GR20. The distance is 14km (8.75 miles) Total ascent 340m. Total descent 640m. Effective walking time 5h30.

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Crocce to Asinau

Stage fourteen of the GR20. The distance is 9km (5.5 miles) Total ascent 665m. Total descent 545m. Effective walking time 4h00.

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Asinau to Bavella

Stage fifteen of the GR20. The distance is 8km (5miles) Total ascent (550m). Total descent 865m. Effective walking time 4h15.

Arrivee gr20
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Bavella to Conca

Stage sixteen of the GR20. The distance is 19km (11.8 miles). Total ascent (700m) Total descent is 1670m. Effective walking time 7hrs.