GR20 Planner

Corsica · Calenzana ⇄ Conca
16walking days
Download on wifi → relief topo basemap (contours + hillshade) + vector basemap + topo tiles along the trail, then work with no signal.
⛺ tent/bivouac (refuge burned) · 💧 water · 🛒 shop · 🍽️ meals. All stops have water — carry enough for dry ridge sections.
Trail & basemap © OpenStreetMap (ODbL) · offline pack via Protomaps · relief from Mapzen/Terrarium DEM (SRTM/ASTER) · weather Open-Meteo · facility status Jun 2026 · estimates only — booking mandatory (incl. bivouac) at pnr-resa.corsica.
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Tap “Track” to navigate live with battery-saving GPS.