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Routes
Mountain hikes & routes
United Kingdom
Wales
South Wales
Glyn Tarell

Pen y Fan – Corn Du summit loop from Beacons Reservoir

Routes
Mountain hikes & routes
United Kingdom
Wales
South Wales
Glyn Tarell

Pen y Fan – Corn Du summit loop from Beacons Reservoir

Hard

5.0

(4)

24

hikers

Pen y Fan – Corn Du summit loop from Beacons Reservoir

06:23

17.9km

1,010m

Mountaineering

Hard mountaineering route. Very good fitness required. Easily walkable paths. The starting point of the route is right next to a parking lot.

Last updated: November 2, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Parking

Get Directions
1

2.30 km

View of Pen y Fan, Corn Du, and Cribyn

Highlight • Viewpoint

Pen-Y-Fan is the highest peak in the whole of south Wales, and is situated in the Brecon Beacons National Park.  Standing Tall At 886 metres (2,907 ft) Above sea-level, it's …

Tip by

6.42 km

Twyn Mwyalchod

Peak

3

7.63 km

Lower Neuadd Reservoir

Highlight • Structure

Neuadd Valley, Brecon Beacons Horseshoe Ridge.
A challenging upland mountain walk that takes you into the heart of the Brecon Beacons. This includes some steep climbs and a flat ridge. …

Tip by

4

11.3 km

Fan y Bîg Summit and Diving Board

Highlight • Summit

The Diving Board on Fan y Big is one of the most photographed locations in the Brecon Beacons. The views over towards Cribyn and Pen Y Fan are super good, …

Tip by

5

11.8 km

View from the east side of Cribyn

Highlight (Segment) • Trail

The hike up Cribyn from the east or in the direction of the Roman Road is one of the best short, sharp hikes in the central range. The path is …

Tip by

6

13.1 km

Cribyn Summit

Highlight • Summit

At 2,608 feet (795 m), the summit of Cribyn boasts bold and dramatic views over Pen-y-Fan, looking towards the steep cliff that forms its eastern flank. When the weather is …

Tip by

7

14.5 km

Pen y Fan

Highlight • Summit

Chief of the Brecon Beacons and the highest summit in south Wales, Pen y Fan is a hugely popular peak with routes to the top to suit everyone from first …

Tip by

8

14.5 km

Col between Corn Du and Pen y Fan

Highlight (Segment) • Mountain Pass

This easy col between Pen Y Fan and Corn Du is a gorgeous easy hill section no more than a few hundred metres long with minimal height gain and loss. …

Tip by

9

15.1 km

Corn Du summit

Highlight • Summit

Corn Du is rarely climbed alone, but as a peak added to an expedition to Pen y Fan. The climb up is a great one though and the views from …

Tip by

B

17.9 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

8.64 km

8.14 km

954 m

168 m

Surfaces

11.8 km

4.50 km

1.27 km

337 m

< 100 m

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (860 m)

Lowest point (420 m)

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Weather

Powered by Foreca

Today

Monday 9 November

6°C

1°C

0 %

Additional weather tips

Expect light wind and shifting conditions.

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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