首頁
Routes
Alto De Letras Mariquita

Alto de Letras (Mariquita Side)

魔王級

76.6 km

↑ 3653 m

Avg grade 4.8%

Max grade 19.4%

Peak elev. 3639 m

One of cycling’s great endurance climbs rises 3,653 metres over 76.6 kilometres from tropical Mariquita to the high Andes at Alto de Letras.

世界級超長公路爬坡
76.6 公里爬升 3,653 公尺
熱帶低地直上安地斯高原

Route Map

Download GPX

Loading map…

Elevation Profile

7.4%1.7%5.3%3.3%4.4%4.7%4.8%3.2%2.5%4.3%5.6%-1.7%4.7%3.0%1.7%7.2%8.0%4.2%2.3%6.7%

12k

16k

20k

24k

28k

32k

36k

40k

44k

48k

52k

56k

60k

64k

68k

72k

76k

533mHover the profile to see the matching spot on the map; colors follow grade.3639m ↑

下坡<2%2-4%4-6%6-8%8-10%≥10%

Segment Breakdown

This route is fully covered by the segments below (including flats and descents) — Tap a row to highlight it on the profile above; segments linked to Strava open directly.

#	Grade	Segment	Start	Length	Avg Grade	Max Grade	Gain	Summit Elev.
1	4 級坡	—	0 km	1.2 km	7.1%	7.4%	88 m	620 m
2	3 級坡	Letras 2.5k-5K	1.23 km	2.8 km	7.5%	8.5%	210 m	830 m
3	平路段	DESCANSO 1 LETRAS @lucasochoa.rh	4.04 km	0.6 km	0.2%	1.2%	5 m	835 m
4	爬坡段	SUBIDA 2 LETRAS @lucasochoa.rh	5.01 km	0.6 km	3.6%	6.1%	21 m	860 m
5	平路段	—	5.61 km	1.3 km	-1.5%	1.6%	5 m	860 m
6	3 級坡	I 50 Climb	6.89 km	4.6 km	6.3%	8.7%	292 m	1134 m
7	下坡段	ALTO PALENQUE Virgen-Portada Teja (Descenso)	11.54 km	1.3 km	-4.8%	-0.1%	0 m	1134 m
8	4 級坡	SUBIDA 4 LETRAS @lucasochoa.rh	12.86 km	1.8 km	7.2%	8.2%	127 m	1197 m
9	3 級坡	FRESNO Hospedaje-Fresno(Panaderia)	14.63 km	6.9 km	3.7%	8.3%	263 m	1450 m
10	爬坡段	Mejor vendo la cicla 3.0	21.55 km	0.7 km	5.4%	7.6%	38 m	1488 m
11	2 級坡	Fresno - Partidas	22.83 km	8.1 km	5.3%	9.7%	425 m	1957 m
12	下坡段	FRESNO Supergiros(Descenso)	30.88 km	1.6 km	-2.4%	0.8%	1 m	1957 m
13	爬坡段	SUBIDA 6 LETRAS @lucasochoa.rh	32.44 km	1.1 km	7.3%	9.9%	78 m	1996 m
14	爬坡段	SUBIDA 7 LETRAS @lucasochoa.rh	33.92 km	1.4 km	3.3%	8.3%	47 m	2034 m
15	平路段	—	35.36 km	1.8 km	0.6%	6.9%	39 m	2054 m
16	爬坡段	I-50 Climb	37.17 km	1.3 km	4.4%	10.3%	63 m	2102 m
17	2 級坡	I 50 Climb	38.45 km	5.1 km	6.3%	8.7%	324 m	2426 m
18	下坡段	DESCANSO 4 LETRAS @lucasochoa.rh	43.56 km	1.5 km	-3.3%	0.6%	2 m	2428 m
19	下坡段	DESCANSO 5 LETRAS @lucasochoa.rh	45.37 km	2 km	-4.4%	-0.6%	0 m	2399 m
20	4 級坡	MESONES Inicio Mesones-Telefonico	47.32 km	2.4 km	5.5%	7%	130 m	2443 m
21	爬坡段	I 50 Climb	50.16 km	0.5 km	6.3%	6.7%	29 m	2481 m
22	3 級坡	Casa Abandonada-Alto Brisas	50.62 km	4.8 km	4.3%	6.7%	214 m	2685 m
23	下坡段	DESCANSO 6 LETRAS @lucasochoa.rh	55.41 km	1.6 km	-6.1%	-2.4%	0 m	2685 m
24	爬坡段	SUBIDA 11 LETRAS @lucasochoa.rh	57.04 km	0.4 km	4%	6.7%	17 m	2603 m
25	平路段	DESCANSO 7 LETRAS @lucasochoa.rh	57.45 km	0.5 km	-1.7%	0.9%	2 m	2604 m
26	4 級坡	I-50 Climb	57.95 km	2.3 km	6.6%	8.2%	154 m	2749 m
27	2 級坡	5k en delgaditas (lfp)	60.29 km	4.8 km	7.5%	13.4%	361 m	3109 m
28	爬坡段	I-50 Climb	65.08 km	0.9 km	9%	13.6%	78 m	3188 m
29	爬坡段	I-50 Climb	65.95 km	1.2 km	6.3%	8%	79 m	3266 m
30	爬坡段	Casa reja roja-Virgen	67.35 km	0.7 km	6.9%	7.9%	50 m	3341 m
31	下坡段	DESCANSO 8 LETRAS @lucasochoa.rh	68.07 km	0.3 km	-2.2%	-1.1%	0 m	3341 m
32	3 級坡	D2	68.41 km	3.1 km	6.5%	9.1%	200 m	3534 m
33	下坡段	D2 CasaSEVENDE-Muro(Descenso)	71.5 km	1.8 km	-5.2%	-2.2%	0 m	3534 m
34	3 級坡	ML-S09 (El Once-Letras)	73.28 km	3.3 km	5.9%	8.2%	197 m	3639 m

Route Overview

路線概述

Alto de Letras 從 Tolima 低熱河谷一路升上海拔約 3,600 公尺的安地斯山口，途中經 Fresno、Padua 與多個山村。坡度常被短暫下坡打斷，但距離、溫差與高海拔形成真正難度。

Ready to take on Alto de Letras (Mariquita Side)?

Enter your FTP and weight in Pacing Analysis to get target watts for every section.

Go to Pacing Analysis

Route data is calculated from GPS tracks; text content is curated by our team. Actual conditions may vary. Last updated: 2026-08-18