In the middle of the complex south-east face of Grepon unwinds one of Chamoinx's greatest classics; Grepon-Mer de Glace, D, 850m, first done in 1911! Now days it's sometimes done in one day return from Chamonix, ascent via Montenvers train and cable car down-load from Plan de l'Aiguille. We did it a bit more old-school, carrying bivouak gear, setting off in the afternoon and spending the night on a large ledge 200m above the petit Trelaporte glacier. Read More