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Tsirang Pass from Rilangthang: what you need to know

Everything about cycling up Tsirang Pass from Rilangthang

Tsirang Pass is a climb of 19.3 kilometers (hors catégorie). Tsirang Pass tops out at 1,960 m above sea level. It is located in Rilangthang, གསར་སྤང་རྫོང་ཁག་, འབྲུག་ཡུལ།. The average gradient is 10.9% with a maximum of 12.9%. The climb has 2110 meters of elevation gain.

Elevation profile

Elevation profile

Climb statistics

Hors catégorie
Difficulty score: 6377 (Very hard)
Altitude
1,960 m
Distance
19.3 km
Avg. gradient
10.9 %
Max gradient
12.9 %
Elevation gain
2110 m
Steepest section: 12.9% (km 14.6)
Tips

Difficulty breakdown: Over 19.3 km, this climb serves up a sustained, uneven gradient, and the real challenge is how long the effort lasts. The steepest sections come at KM 3.0-4.0 at 10% and KM 12.0-13.0 at 8%, while much of the road hovers between 6% and 7%. KM 9.0-10.0, virtually flat at 0%, offers a brief breather in the middle of a relentless effort, and KM 18.0-19.0 at 7% gives you very little respite before the top.

Tips for the effort:

1. Save something in the tank early. Keep your pace in check over KM 0.0-1.0 at 6% so you hit the 10% ramp at KM 3.0-4.0 with fresh legs.

2. Make the most of the flat at KM 9.0-10.0. Use this 0% stretch to drink, fuel up and get your cadence back without any surges.

3. Stay smooth in the second half. From KM 14.0 to KM 19.0, where the gradient stays around 7%, go for a supple gear and a steady cadence rather than grinding out seated power surges.

Estimated times

19.3 km • 2110 m D+

Leisure 7h 35min
2.5 km/h 350 m/h
Regular 4h 50min
4.0 km/h 550 m/h
Trained 3h 20min
5.8 km/h 800 m/h
Climber 2h 25min
8.0 km/h 1100 m/h
Pro 1h 40min
11.6 km/h 1600 m/h

VAM: average climbing speed, based on elevation gain

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