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Chyamistar Pass from Ubu: what you need to know

Everything about cycling up Chyamistar Pass from Ubu

Chyamistar Pass is a climb of 8.2 kilometers (hors catégorie). Chyamistar Pass tops out at 1,258 m above sea level. It is located in Ubu, कोशी प्रदेश, नेपाल. The average gradient is 13.0% with a maximum of 17%. The climb has 1073 meters of elevation gain.

Elevation profile

Elevation profile

Climb statistics

Hors catégorie
Difficulty score: 2126 (Very hard)
Altitude
1,258 m
Distance
8.2 km
Avg. gradient
13.0 %
Max gradient
17 %
Elevation gain
1073 m
Steepest section: 17% (km 2.2)
Tips

Difficulty breakdown: At 8.2 km with 1073 m of elevation gain and an average gradient of 13%, the Chyamistar Pass is a very tough HC climb. Between km 2.5 and km 3.5 the gradient hits 15% with no real respite. The km 4.5-5.0 stretch at 4% offers a short breather before the ramp resumes. The climb finishes with km 7.5-8.0 at 21%, the hardest section.

Tips for pacing yourself:

1. Find your rhythm from the start The first kilometres at 11% (km 0.0-0.5) tempt you to go out too hard, so settle into an effort you can sustain.

2. Recover on the 4% section Use the km 4.5-5.0 stretch to spin your legs, drink and eat before ramping it back up gradually.

3. Save something for the finale Don't burn all your matches before the km 7.5-8.0 section at 21%, and run a low gear to keep your cadence up.

Estimated times

8.2 km • 1073 m D+

Leisure 3h 50min
2.2 km/h 350 m/h
Regular 2h 25min
3.4 km/h 550 m/h
Trained 1h 40min
4.9 km/h 800 m/h
Climber 1h 10min
7.1 km/h 1100 m/h
Pro 50min
9.9 km/h 1600 m/h

VAM: average climbing speed, based on elevation gain

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