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Routes
Hiking trails & Routes
United Kingdom
Wales
South Wales
Glyn Tarell

Corn Du summit – Pen y Fan loop from Beacons Reservoir

Routes
Hiking trails & Routes
United Kingdom
Wales
South Wales
Glyn Tarell

Corn Du summit – Pen y Fan loop from Beacons Reservoir

Hard

4.8

(297)

3,789

hikers

Corn Du summit – Pen y Fan loop from Beacons Reservoir

07:07

20.6km

1,050m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 16, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Bus stop

Get Directions

1

805 m

View of Pen y Fan Summit

Highlight • Viewpoint

High elevation trail, good footwear & fitness is a must

Tip by

2

2.71 km

Corn Du Northwest Ridge

Highlight • Climb

The steep upper section of Corn Du's northwest ridge is the most strenuous part of the hike to its summit for people ascending from the Storey Arms Centre. There are …

Tip by

3

3.04 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

4

3.07 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

5

3.63 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

6

3.77 km

Jacob's Ladder (Pen y Fan Ascent)

Highlight • Climb

Classic route to the top of Pen Y Fan and a great thigh burner. Made infamous by the SAS as part of their Fan Dance event. It's a great place …

Tip by

5.01 km

Cribyn

Peak

8

5.02 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

9

6.81 km

Fan y Bîg Summit and Diving Board

Highlight • Summit

Fan y Big might have had its mountain status revoked in 2018 — but don't let that put you off. This is a superb peak that forms part of a …

Tip by

B

20.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

7.26 km

6.76 km

5.81 km

679 m

101 m

< 100 m

Surfaces

5.69 km

5.48 km

4.74 km

2.35 km

2.35 km

< 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

Monday 18 May

13°C

8°C

87 %

Additional weather tips

Max wind speed: 29.0 km/h

to get more detailed weather forecasts along your route

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

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