HC Isère, France Isère · Auvergne-Rhône-Alpes, France

Col du Galibier

Western ascent from Le Clapier — the hardest of the 11 ways up

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GPX

Length: 42.4 km
Height gain: 1888 m
Average: 4.5%
Steepest km: 9.4%
Summit altitude: 2632 m
Difficulty: 475

11 ways up · this is the hardest Compare all 11

Show all 11 ways up

Elevation profile

744 m → 2632 m Touch or hover to inspect

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest km: km 43 at 9.4%

5 short sections look like survey errors (hatched) — usually a tunnel or a bridge, measured from the terrain above or below the road. They are left out of the steepest-km figure.

Is one of them a tunnel? Map it A bridge or viaduct? Report an error

Climb analysis

Where the climbing is

0–4%: 15.0 km
4–6%: 11.0 km
6–8%: 12.5 km
8–10%: 2.8 km
10–14%: 0.4 km
14%+: 0.8 km

Hardest sustained

1 km · km 1.5–2.5: 8.7%
2 km · km 0.6–2.6: 7.8%
5 km · km 34.2–39.2: 7.0%

Time to the top

2h 43 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

Kilometre by kilometre

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Km	Altitude	Gain	Gradient	Max
1	872 m	+128 m	12.8% ? Includes a suspected survey error	63.4%
2	888 m	+16 m	1.6% ? Includes a suspected survey error	25%
3	958 m	+71 m	7.0%	26.4%
4	996 m	+38 m	3.8%	28.4%
5	949 m	−47 m	−4.7%	23.2%
6	927 m	−22 m	−2.2%	23.6%
7	961 m	+34 m	3.4%	14.4%
8	1011 m	+51 m	5.1%	16.6%
9	1054 m	+43 m	4.3%	33%
10	1197 m	+143 m	14.3% ? Includes a suspected survey error	36.4%
11	1066 m	−131 m	−13.1% ? Includes a suspected survey error	16%
12	1059 m	−7 m	−0.7%	29%
13	1090 m	+31 m	3.1% ? Includes a suspected survey error	61.6%
14	1114 m	+24 m	2.4%	10.4%
15	1133 m	+19 m	1.9%	9%
16	1182 m	+50 m	5.0%	11.6%
17	1243 m	+61 m	6.1%	12%
18	1295 m	+52 m	5.2%	11.6%
19	1322 m	+27 m	2.7%	39.4%
20	1344 m	+22 m	2.2%	8.4%
21	1387 m	+43 m	4.3%	8.4%
22	1433 m	+47 m	4.7%	11.2%
23	1483 m	+50 m	5.0%	18.8%
24	1508 m	+25 m	2.5% ? Includes a suspected survey error	53.6%
25	1628 m	+121 m	12.0% ? Includes a suspected survey error	47.4%
26	1619 m	−10 m	−1.0% ? Includes a suspected survey error	12.2%
27	1679 m	+60 m	6.0%	16.4%
28	1744 m	+65 m	6.5%	10.6%
29	1807 m	+62 m	6.2%	16.6%
30	1863 m	+57 m	5.7%	15.2%
31	1920 m	+57 m	5.7%	11%
32	1984 m	+65 m	6.5%	11%
33	2017 m	+32 m	3.2%	8.6%
34	2062 m	+46 m	4.6%	12%
35	2129 m	+67 m	6.7%	16.4%
36	2199 m	+70 m	7.0%	13.6%
37	2273 m	+74 m	7.4%	11.8%
38	2337 m	+64 m	6.4%	11%
39	2407 m	+70 m	7.0%	25.2%
40	2470 m	+63 m	6.3%	8.4%
41	2527 m	+57 m	5.7%	9.8%
42	2596 m	+70 m	7.0%	12.6%
43	2632 m	+36 m	9.4%	12.2%