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HC BergamoLombardy, Italy

Passo San Marco

Southern ascent from San Giovanni Bianco — the hardest of the 4 ways up

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GPX

Length: 31.3 km
Height gain: 1594 m
Average: 5.1%
Steepest km: 18.3%
Summit altitude: 1993 m
Difficulty: 621

4 ways up · this is the hardest Compare all 4

Show all 4 ways up

San Giovanni Bianco 31.3 km, 5.1% average, 1594 m height gain
Morbegno 26.2 km, 6.6% average, 1741 m height gain
Morbegno 26.0 km, 6.7% average, 1743 m height gain
Cugno di Sotto 19.7 km, 7.4% average, 1450 m height gain

Elevation profile

399 m → 1993 m Touch or hover to inspect

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest km: km 7 at 18.3%

3 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%: 12.5 km
4–6%: 2.5 km
6–8%: 6.3 km
8–10%: 4.0 km
10–14%: 4.3 km
14%+: 1.8 km

Hardest sustained

1 km · km 6.6–7.6: 25.1%
2 km · km 5.6–7.6: 13.4%
5 km · km 24.0–29.0: 9.4%

Time to the top

2h 28 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

How this is calculated

Kilometre by kilometre

Export CSV

Km	Altitude	Gain	Gradient	Max
1	414 m	+16 m	1.6%	6.4%
2	503 m	+89 m	8.9%	40.0%
3	443 m	−60 m	−6.0% ? Includes a suspected survey error	15.8%
4	467 m	+24 m	2.4% ? Includes a suspected survey error	27.8%
5	461 m	−6 m	−0.6% ? Includes a suspected survey error	27.0%
6	473 m	+12 m	1.2%	6.2%
7	656 m	+183 m	18.3%	58.6%
8	801 m	+145 m	14.5% ? Includes a suspected survey error	68.8%
9	517 m	−284 m	−28.4% ? Includes a suspected survey error	1.0%
10	536 m	+19 m	1.9%	4.8%
11	595 m	+60 m	6.0%	17.6%
12	555 m	−41 m	−4.1%	9.4%
13	589 m	+35 m	3.5%	6.0%
14	624 m	+35 m	3.5%	10.0%
15	674 m	+50 m	5.0%	18.0%
16	713 m	+39 m	3.9%	10.2%
17	785 m	+72 m	7.2%	20.6%
18	842 m	+56 m	5.6%	8.2%
19	917 m	+75 m	7.5%	13.0%
20	1007 m	+90 m	9.0%	15.8%
21	1107 m	+100 m	10.0%	15.8%
22	1209 m	+102 m	10.2%	18.8%
23	1281 m	+72 m	7.2%	11.4%
24	1331 m	+50 m	5.0%	10.6%
25	1448 m	+117 m	11.7%	16.4%
26	1530 m	+82 m	8.2%	11.0%
27	1622 m	+92 m	9.2%	13.2%
28	1705 m	+83 m	8.3%	10.2%
29	1802 m	+98 m	9.8%	12.8%
30	1889 m	+87 m	8.7%	11.4%
31	1974 m	+85 m	8.5%	13.2%
32	1993 m	+19 m	6.6%	7.4%

Route map

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Directions

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About Passo San Marco

How long and how steep?: From San Giovanni Bianco, Passo San Marco is 31.3 km long and climbs 1,594 m at an average of 5.1%, to a summit at 1,993 m. Its steepest kilometre, km 7, averages 18.3%.
How long does it take?: At 3 W/kg it takes about 2 h 28 min to reach the top, at 4 W/kg about 1 h 55 min (70 kg rider, 8 kg bike, no wind).
What category is it?: It's an HC (hors catégorie) climb, with a difficulty score of 621. It's the hardest of the 4 ways up to Passo San Marco.
Where is it?: It's in Bergamo, Lombardy, Italy.

How hard is 621?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Colle del Nivolet, Rosone 674

Etapa 3 tdf, Huvftuhvct 655

Passo San Marco, San Giovanni Bianco 621

Chanajiga, Loro Parque 618

Babadağ 1900, Ölüdeniz 610

Around here

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Help complete this climb

Riders’ photos, notes and corrections make every profile better.

Add a photo No photos yet — the last kilometre, the summit sign Write a rider note Traffic, water, where it really bites Map a tunnel 3 short sections look like survey errors Report a road type Not mapped yet — paved, unpaved or cobbles

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Added by jose-juan-luque-aranda · 1 contributor

Climbs nearby

HC 1259 m 399 m

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HC 1993 m 544 m

Passo San Marco From Cugno di Sotto · starts 10.2 km away

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HC 1262 m 454 m

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