Mont Blanc, Ascent via Miage-Bionnassay
Miage-Bionnassay is a four day high altitude route. Start from the small ski resort of Contamines-Montjoie in the valley south of St Gervais, and on the first day hike up to Refuge des Conscrits at 2602 m. Next day cross Dômes de Miages to spend the night at Refuge de Plan Glacier (2730 m). Built into…