Valley of Chamouni and Mt

Blanc. highest summit, 15.810 ft.. Monte Rosa, 15,208 ft., and the Finster Aarhorn, 14,026 ft. Of the pa es, Monte Cenis has an altitude of 6775 ft., the Simplon 6592 ft., the Splügen 6935 ft., Great St. Bernard 8150 ft., and St. Gothard 6976 ft. The ma of the Alps is composed of granite, gnei , and other metamorphic rocks, with stratified beds upturned upon their flanks. The snow line is at an altitude of ab. 8900 ft., and glaciers descend to a level of 3400 ft. It is estimated that 1500 sq. miles are covered with snow and ice in these mountains.