After the Col, and Le Châtelard, the road leads to Chamonix in France via Vallorcine and the Col des Montets.
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There is another connection from Martigny to France (by train only) through the Vallée du Trient (Gorges du Trient): the line Martigny au Châtelard (Chemin de Fer de Martigny au Châtelard)/Chamonix (Ligne de Saint Gervais - Vallorcine).
Located at the foot of the Mont Blanc Vallorcine is a tiny and so far unspoilt little ski village located within the Chamonix Valley and forming part of the Domaine de Balme ski area (which includes Le Tour).
A site at the Col des Montets mountain pass was chosen, In 1971 with the support of mountaineer Maurice Herzog, Chamonix-Mont-Blanc and Vallorcine created the la réserve intercommunale du col des Montets (Intercommunal reserve of the Col des Montets).
Water from the reservoir first powers the 189 MW Vallorcine Power Station downstream and just over the border in Châtelard, France.