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Dunsmore Hill via Small Dean Lane

5
1.0
1 review/story | Elevation profile | 0 photos
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Elevation profile Dunsmore Hill via Small Dean Lane

Statistics

Difficulty points 66
Length 1.4 mi
Average gradient 4.1%
Steepest segment 12.8%
Total ascent 292 ft
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Dunsmore Hill via Small Dean Lane is a climb in the region The Chilterns. It is 1.4 mi long and bridges 292 ft of vertical ascent with an average gradient of 4.1%, resulting in a difficulty score of 66. The top of the ascent is located at 758 ft above sea level. Climbfinder users shared 1 review/story of this climb and uploaded 0 photos.

Road name: Small Dean Lane

1.0 by SteveL
This is an automatic translation, the original language is: English.
Currently (Feb 2026), you can't do this, due to the HS2 railway works. I'm not sure if they intend to reopen it at all, and if they do, it will probably be realigned, so you may never register a completion, if you didn't do it before the HS2 works started. The other Dunsmore route is open though. Mainly, I used Small Dean Lane as a mountain bike route, to connect to the bridleways leading up towards Dunsmore.... read more

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Reviews (1)

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SteveL
SteveL premium
3 Mo 1.0

Currently (Feb 2026), you can't do this, due to the HS2 railway works. I'm not sure if they intend to reopen it at all, and if they do, it will probably be realigned, so you may never register a completion, if you didn't do it before the HS2 works started. The other Dunsmore route is open though. Mainly, I used Small Dean Lane as a mountain bike route, to connect to the bridleways leading up towards Dunsmore.

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Climbing times

5 mph 00:16:30
7 mph 00:11:40
9 mph 00:09:06
12 mph 00:06:50

Road surface condition

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Frequently Asked Questions

Dunsmore Hill can be cycled from 2 sides. Dunsmore Hill via Dunsmore Lane is the most popular side, but the summit can also be reached via Dunsmore Hill via Small Dean Lane.

You don't need special gearing for Dunsmore Hill via Small Dean Lane. The slope isn't long or steep enough to require much shifting down. You can conquer this climb on power alone. However, a compact gearing system with a smallest front chainring of 34 and largest rear sprocket of 28 or 30 is always nice if you enjoy cycling uphill. This helps maintain a smooth cadence.

Dunsmore Hill via Small Dean Lane falls into the 5th category. With good fitness, you can ride it up with speed and power. If you have less training, shift down and climb smoothly.

Dunsmore Hill via Small Dean Lane is 1.4 mi long.

The average gradient of Dunsmore Hill via Small Dean Lane is 4.1%.

Dunsmore Hill via Small Dean Lane has a steepest segment with an average gradient of 12.8%.

The summit of Dunsmore Hill via Small Dean Lane is at 758 ft.

At a slow pace of 5 mph, it takes about 00:16:30 to climb Dunsmore Hill via Small Dean Lane. At 7 mph the time is 00:11:40, and at 9 mph 00:09:06. For the fastest cyclists, 00:06:50 is an achievable time.

Dunsmore Hill via Small Dean Lane is located in the region Buckinghamshire in England.

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