850m - Lacs Merlet (2450m) Lac du Pêtre (2282m) 1749.9 1750.8 1751.3 1754.4 1752.3 1758.6 1755.7 1777.8 1787.7 1788.9 1782.3 1784 1778.9 1773.9 1767.9 1767.7 1769.2 1771.5 1783.9 1789.9 1797.6 1804.9 1809.7 1813.6 1819.9 1824.1 1827.4