Montenvers train up to Mer de Glace then 4 1/2 hours up 2 glaciers and ladder systems to Refuge Couvercle (smack in the heart of the massif).
Up at 05:00 for a 13hr day from the hut. Small glacier approach and bergschrund then 8 'pitches'.
Leisurely descent back to Montenvers after another night in the hut.
Words and pics insufficient.
..but for the record:
1. Mer de Glace approach
2. Dent du Requin to Aiguille du Grépon
7. North Face of The Grandes Jorasses, Dent du Géant, Mt Blanc
8. Jenny vs bergschrund
9. 10 mins from dinner after 4 hrs of down climbing and multiple abseils from the summit
14. Sussing crossing of river in middle of Mer de Glace
15. Manhole
