(B) MAIN DIVISIONS OF THE ALPS
(d) Graian Alps
The lofty group of snowy mountains lying between the plain of Piedmont and Mont Blanc has from a remote period borne the designation Graian Alps. To the north they are bounded by the Val d’Aosta, and to the south by the valley of the Orco; but on the west side the boundary is not so easily determined The portion of the main chain dividing Savoy from Peidmont, between the Levana and Mont Blanc, must undoubtedly be included in this division; but it is not so easy to determine the relations of a group of lofty summits that are divided from the rest of the Graian Alps by the upper valley of the Isere, filling the space between the upper course of that river and that of the Arc. This is further geologically distinguished by the fact that the higher summits are chiefly composed of nearly unaltered desimentary rocks. This group has some writers been associated with the mountains of Beaufort, lying between the Isere and the Arly, to for,, with some subordinate branches, a group of south Savoy Alps; but we prefer to adhere to the older usage of those who have united them with the Graian Alps. The exact boundary between these and the Mont Blanc group may best be fixed at the pass of the Little St Bernanrd, the lowest in the main chain between the Mont Cenis and the Simplon.
Chief Peaks of the Graian Alps.
Main Chain. La Grivola…………………. 13,028
Grand Apparei……………. 11,494 Becca di Nona………………10,384
Aiguille de la Sassiere…….. 12,326 Mont Emilius……………….11,677
Mont Bassac………………. 11,200 Punta di Tersiva……………11,503
Ormelune…………………. 10,833 Savoy Group
Ruitor……………………… 11,480 Grande Motte………about 11,800
Piedmontese Group Grande Casse ………………12,780
Grand Paradis……………. 13,300 Dent parassee ………………12,137
Tour du Grand St Pierre…. 12,069 Roche Chevriere………….. 10,765
Punta di Lavina…………… 10,824 Mont Pourri……………….. 12,491
Bec d’Invergnuon…. about 12,100
Chief Passes in the Graian Alps
Col del Carro (Locana to Lanslebourg), glacier……………….. 10,292
Col de Galese (Locana to Tignes), snow………………………… 9,836
Col de Gailletta (Tignes to Val de Rhemes), glacier…………… 10,049
Col Vaudet (Tignes to Val Grisanche), snow…………………... 9,305
Col du Mont (Sainte Foi to Val Grisanche), footpath…………. 8,635
Pass of Little St Bernard (Bourg St Maurice to Aosta), car. Road7,192
Col de la Croix de Nivolet (Ceresole to Val Savaranche),bridle-path8,624
Col de Grancrou (Cogne to Noasca), glacier…………………… 11,094
Col de Telleccio (Cogne to Locana), glacier……………………. 10,925
Col della Nouva (Ponte to Cogne), glacier……………………… 9,664
Col de Lauzon (cogne to Val Savaranche), bridle-path…about 9,500
Fenetre de Cogne (Cogne to bard), bridle-path……………….. 8,860
Col de Lore (Cogne to Brissogne), glacier……………………… 10,049
Col d’Iseran (Bourg St Maurice to Lanslebourg), bridle-path.. 9,085
Col de la Leisse (Tignes to Entre-deux-Eaux), snow…………… 9,127
Col de la Vanoise (Moutiers Tarentaise to Lanslebourg), footpath8,271
Col de Chaviere (Pralognan to Modane), snow…………………. 9,144
Col de la Platiere (Moutiers Tarentaise to St Jean de Maurienne),
Footpath……………………………………………………. 6,800
Col de la Madeleine (Albertville to La Chambre), bridle-path… 6,637
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