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Deadwood Plain from Half Tree Hollow: what you need to know

Everything about cycling up Deadwood Plain from Half Tree Hollow

Deadwood Plain is a climb of 5.3 kilometers (hors catégorie). Deadwood Plain tops out at 519 m above sea level. It is located in Half Tree Hollow, Saint Helena, Saint Helena, Ascension and Tristan da Cunha. The average gradient is 9.8% with a maximum of 17.5%. The climb has 517 meters of elevation gain.

Elevation profile

Elevation profile

Climb statistics

Hors catégorie
Difficulty score: 685 (Very hard)
Altitude
519 m
Distance
5.3 km
Avg. gradient
9.8 %
Max gradient
17.5 %
Elevation gain
517 m
Steepest section: 17.5% (km 1.1)
Tips

Climb analysis: At 5.3 km this climb is short but brutally steep, with an average gradient of 10% that backs up its Hors Catégorie rating. The real challenge is the bunching of severe gradients (13%, 14%) in the first half (KM 1.0 to 3.0), which creates an early peak of intensity that can be decisive.

How to manage your effort:

1. Start controlled: Don't go out too hard over the first kilometres at 6%. Use this section to settle into a steady breathing rhythm before the 14% wall.

2. Handling the central spike: Be ready for the KM 1.0-3.0 sequence (11% to 14%). Spin a low cadence in an easy gear to save your legs for this key stretch.

3. Active recovery: Make the most of the brief breather at 7% (KM 3.5-4.0) to ease off slightly, then tackle the final demanding section (10%-12%) with fresh legs.

Estimated times

5.3 km • 517 m D+

Leisure 1h 35min
3.3 km/h 350 m/h
Regular 1h 00min
5.3 km/h 550 m/h
Trained 40min
7.9 km/h 800 m/h
Climber 30min
10.6 km/h 1100 m/h
Pro 20min
15.9 km/h 1600 m/h

VAM: average climbing speed, based on elevation gain

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