Alps trail conditions
How much of each classic hut-to-hut route is clear of snow, measured every week from Sentinel-2 satellite imagery along the actual line.
- Aiguilles Rouges Circuit: 62% snow-free as of . Snow on Col de la Glière, Col du Lac Cornu, Col de Salenton. Off-season.
- Alta Via 1: 86% snow-free as of . Off-season.
- Alta Via 2: 74% snow-free as of . Off-season.
- Alta Via dei Silenzi: 90% snow-free as of . Snow on Forcella Scodovacca. Off-season.
- Grand Tour du Chambeyron: 68% snow-free as of . Snow on Col de Marinet, Col de Scaletta. Off-season.
- Haute Route Bernoise: 67% snow-free as of . Snow on Col des Audannes, Col du Rawil. Off-season.
- Haute Route Chamonix–Zermatt: 68% snow-free as of . Snow on Col de Balme, Col de la Chaux, Col de Prafleuri, Pas de Chèvres, Col de Riedmatten, Col de Torrent, Col de Sorebois, Augstbordpass. Off-season.
- Sentiero Roma: 54% snow-free as of . Off-season.
- Tour des Combins: 88% snow-free as of . Off-season.
- Tour des Écrins: 99% snow-free as of . Snow on Col de la Muzelle, Col de l'Aup Martin. Off-season.
- Tour des Glaciers de la Vanoise: 67% snow-free as of . Off-season.
- Tour du Beaufortain: 84% snow-free as of . Off-season.
- Tour du Grand Paradis: 42% snow-free as of . Snow on Col du Nivolet, Colle della Terra, Colle della Porta, Boccheta del Ges, Col dei Becchi, Boccheta di Valsoera, Colle di Ciardonei, Colle Valletta o Finestra, Col de Bardoney, Passage du Grand Neyron. Off-season.
- Tour du Mont Blanc: 82% snow-free as of . Snow on Col du Bonhomme, Col des Fours, Col de la Seigne, Grand col Ferret, Col du Brévent. Off-season.
- Tour du Mont Viso: 14% snow-free as of . Snow on Col de la Traversette, Col du Viso, Passo Gallarino, Passo San Chiaffredo, Col de Valante. Off-season.
- Tour du Queyras (GR 58): 95% snow-free as of . Off-season.
Satellite snow cover is a planning aid, not a safety verdict. Check with huts, guides and local bulletins before you go.