Route	Col (map m)	Gate	Island to gate, km (stades)	Gate to col, km (climb m)	km/day over 9 days	Col to plain, km	km/day over 4 days	Gate to plain, km (stades)	Steepest 500 m of descent	Po plain seen from the col
Mont-Cenis Isère, Arc, Mont-Cenis	Mont-Cenis 2083	Aiguebelle	158 (888)	87 (+1825)	9.7	32	8.0	119 (670)	53% at 13.0 km	no
Clapier Isère, Arc, Savine, Clapier	Clapier 2482	Aiguebelle	158 (888)	86 (+2209)	9.5	25	6.2	110 (622)	50% at 1.0 km	a 2° sliver, 80 km off
Petit Mont-Cenis Isère, Arc, Ambin, Petit Mont-Cenis	Petit Mont-Cenis 2183	Aiguebelle	158 (888)	80 (+1842)	8.8	34	8.6	114 (642)	54% at 15.2 km	no
Petit St Bernard Isère, Tarentaise, Petit St Bernard, Aosta	Petit-Saint-Bernard 2188	Albertville	169 (950)	64 (+1937)	7.1	72	17.9	135 (762)	29% at 12.2 km	no
Montgenèvre Durance, Briançon, Montgenèvre	Montgenevre 1854	Sisteron	161 (908)	132 (+1722)	14.7	51	12.8	184 (1033)	23% at 5.0 km	no
Montgenèvre (Drôme approach) Rhône, Drôme, Cabre, Gap, Durance, Montgenèvre	Montgenevre 1854	Crest	91 (512)	222 (+2894)	24.7	51	12.8	274 (1540)	25% at 5.0 km	no
Traversette Durance, Guil, Traversette	Traversette 2947	Sisteron	161 (908)	139 (+2687)	15.4	28	7.0	167 (939)	51% at 0.5 km	yes, 17% of bearings
Traversette (de Beer) Rhône, Drôme, Grimone, Gap, Durance, Guil, Traversette	Traversette 2947	Crest	91 (512)	237 (+3980)	26.4	28	7.1	266 (1495)	51% at 0.0 km	yes, 17% of bearings
Traversette (Cabre approach) Rhône, Drôme, Cabre, Gap, Durance, Guil, Traversette	Traversette 2947	Crest	91 (512)	228 (+3823)	25.4	28	7.1	257 (1446)	50% at 0.8 km	yes, 17% of bearings
Larche Durance, Ubaye, Larche, Stura	Larche 1991	Sisteron	161 (908)	114 (+1601)	12.6	79	19.8	192 (1084)	23% at 4.0 km	no
Larche (via Vars) Durance, Guillestre, Vars, Ubaye, Larche	Larche 1991	Sisteron	161 (908)	143 (+2603)	15.9	79	19.8	222 (1251)	23% at 4.0 km	no
Grand St Bernard Rhône, Lyon, Geneva, Valais, Grand St Bernard	Grand-Saint-Bernard 2469	Martigny	379 (2135)	37 (+1954)	4.1	52	12.9	88 (498)	54% at 1.8 km	no