North Pennines
Great Dun Fell
848M
2781FT
About Great Dun Fell
Topping the high escarpment of the North Pennines, this massive, dome-shaped fell is instantly recognisable by the giant white radar dome on its summit. Reached via the Pennine Way or Britain’s highest road, it offers a stark, windswept plateau experience with panoramic views across the Eden Valley toward the Lake District peaks.
Key Statistics
Rank
2nd Highest in Region
Parent Range
North Pennines
Prominence
?
74m
Nearest Town
Westmorland and Furness
Geology
The ground beneath you belongs to the Stainmore Formation, built from rugged layers of sandstone, limestone, and mudstone.
Find It
OS Grid Reference
NY710321
Latitude
54.6831°N
Longitude
2.4513°W
Did You Know?
- •The name likely stems from the Old English 'dūn', signifying a hill or upland pasture. In the context of the North Pennines, 'dun' often describes the drab, brownish-grey colour of the fell-grass and peat that blankets the summit plateau for most of the year.
- •A private tarmac road leads directly to the summit to service the radar station. Reaching 848 metres, it is the highest paved road in England; while closed to public motor vehicles, it has become a legendary 'bucket list' climb for road cyclists seeking the most sustained ascent in the country.
- •The summit is dominated by a large, white radome—nicknamed 'the golf ball'—which houses a Civil Aviation Authority radar station. This facility is a vital link in the UK’s air traffic control system, monitoring flight paths across northern England and southern Scotland.
- •From the summit, the view west is one of the finest in the region, offering a full-length profile of the Lake District fells. On a clear day, the distinctive silhouettes of Blencathra and the Helvellyn range are visible across the Eden Valley, while the Solway Firth glimmers to the northwest.
- •The fell is the primary site of the Helm Wind, the only named wind in the British Isles. This fierce northeasterly creates a roaring sound heard for miles and gusts so potent they occasionally lead walkers to wonder if the radar dome is actually an anchor keeping the mountain from blowing away.
