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Routes
Hiking trails & Routes
South Wales
Llanfrynach

Pen y Fan – Corn Du summit loop from Heol-fanog

Routes
Hiking trails & Routes
South Wales
Llanfrynach

Pen y Fan – Corn Du summit loop from Heol-fanog

Hard

4.3

(4)

25

hikers

Pen y Fan – Corn Du summit loop from Heol-fanog

05:30

17.2km

670m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 7, 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

2.35 km

View of Pen y Fan from Cefn Cwm Llwch

Highlight • Viewpoint

Classic views are to be had from here and on a winter's day they are superb.

Tip by

2

3.10 km

View of Corn Du and Llyn Cwm Llwch

Highlight • Summit

The views from here are exceptional. To the left you have the beautiful spire of Cribyn, to the right the imposing bulk of Corn Du, and to top it off, …

Tip by

3

3.67 km

Cefn Cwm Llwch

Highlight • Trail

This is the ridge route to Pen y Fan from the north. A fine route that steepens sharply near the top.

Tip by

4

3.69 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 …

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5

3.70 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

6

4.28 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

7

6.56 km

Blaen Taf Fawr Valley

Highlight • Viewpoint

The Blaen Taf Fawr and Afon Tarell segments start at the Storey Arms parking area. Head through the gate towards Corn Du, to the Taf Fawr bridge. Ignore the path …

Tip by

8

6.85 km

Pen y Fan Gate

Highlight • Trail

The gate here has been the local start point for the Pen Y Fan gate to summit test for a number of years. It is 3.1km from here to the …

Tip by

B

17.2 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

7.43 km

5.33 km

3.15 km

917 m

356 m

< 100 m

Surfaces

5.36 km

4.01 km

2.73 km

2.32 km

1.46 km

1.31 km

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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 (230 m)

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Weather

Powered by Foreca

Friday 22 May

20°C

11°C

0 %

Additional weather tips

Max wind speed: 13.0 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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