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HC Asturias, Spain

Puerto de Tarna

North-western ascent from Pola de Laviana

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GPX

Length: 45.6 km
Height gain: 1189 m
Average: 2.6%
Steepest km: 8.9%
Summit altitude: 1490 m
Difficulty: 227

Asturias · 175 climbs

Elevation profile

301 m → 1490 m Touch or hover to inspect

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest km: km 35 at 8.9%

2 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%: 30.8 km
4–6%: 4.0 km
6–8%: 8.3 km
8–10%: 1.3 km
10–14%: 1.3 km
14%+: 0.0 km

Hardest sustained

1 km · km 11.6–12.6: 9.4%
2 km · km 33.6–35.6: 7.3%
5 km · km 37.0–42.0: 6.6%

Time to the top

2h 12 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	309 m	+8 m	0.8%	1.8%
2	313 m	+4 m	0.4%	2.0%
3	328 m	+15 m	1.5%	5.0%
4	335 m	+7 m	0.7%	2.6%
5	343 m	+8 m	0.8%	3.6%
6	352 m	+9 m	0.9%	1.5%
7	372 m	+20 m	2.0%	5.2%
8	410 m	+38 m	3.8%	28.6%
9	388 m	−22 m	−2.2%	0.6%
10	390 m	+2 m	0.2%	1.6%
11	401 m	+11 m	1.1%	1.8%
12	441 m	+40 m	4.0%	10.5%
13	503 m	+62 m	6.2%	10.6%
14	506 m	+3 m	0.3%	4.0%
15	503 m	−3 m	−0.3%	5.2%
16	504 m	+1 m	0.1%	3.0%
17	507 m	+3 m	0.3%	5.6%
18	504 m	−3 m	−0.3%	1.0%
19	508 m	+4 m	0.4%	4.6%
20	546 m	+38 m	3.8% ? Includes a suspected survey error	27.6%
21	543 m	−3 m	−0.3%	5.6%
22	560 m	+17 m	1.7% ? Includes a suspected survey error	70.2%
23	571 m	+11 m	1.1%	2.4%
24	586 m	+15 m	1.5%	4.4%
25	611 m	+25 m	2.5%	5.6%
26	652 m	+41 m	4.1%	6.0%
27	627 m	−26 m	−2.6%	3.8%
28	638 m	+12 m	1.2%	5.2%
29	652 m	+13 m	1.3%	3.2%
30	681 m	+30 m	2.9%	8.0%
31	692 m	+11 m	1.1%	4.6%
32	717 m	+25 m	2.5%	4.4%
33	745 m	+28 m	2.8%	3.4%
34	777 m	+33 m	3.3%	6.0%
35	866 m	+89 m	8.9%	12.8%
36	918 m	+52 m	5.2%	8.4%
37	944 m	+25 m	2.5%	6.0%
38	1008 m	+65 m	6.5%	7.2%
39	1079 m	+71 m	7.1%	7.8%
40	1147 m	+68 m	6.8%	7.0%
41	1209 m	+62 m	6.2%	7.0%
42	1276 m	+67 m	6.7%	8.0%
43	1336 m	+60 m	6.0%	7.0%
44	1405 m	+70 m	7.0%	7.4%
45	1450 m	+45 m	4.5%	7.0%
46	1490 m	+40 m	6.7%	7.2%

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Directions

Satellite

Road surface not mapped yet Report a road type

No tunnels mapped Map a tunnel

About Puerto de Tarna

How long and how steep?: From Pola de Laviana, Puerto de Tarna is 45.6 km long and climbs 1,189 m at an average of 2.6%, to a summit at 1,490 m. Its steepest kilometre, km 35, averages 8.9%.
How long does it take?: At 3 W/kg it takes about 2 h 12 min to reach the top, at 4 W/kg about 1 h 48 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 227.
Where is it?: It's in Asturias, Spain.

How hard is 227?

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

Valico di Santa Maria Maddalena, Romani 227

Pico de las Nieves, Vega de San Mateo 227

Puerto de Tarna, Pola de Laviana 227

Collado de Piedrafita por Río Cabrera, Llamas de Cabrera 227

Pozo de las Mujeres Muertas, San Antolín de Ibias 226

Around here

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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 2 short sections look like survey errors Report a road type Not mapped yet — paved, unpaved or cobbles

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Added by H4rek · 1 contributor

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