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Cribyn Summit – Corn Du summit loop from Cwmcynwyn

Routes

Running trails & routes

Cribyn Summit – Corn Du summit loop from Cwmcynwyn

Hard

412

runners

Cribyn Summit – Corn Du summit loop from Cwmcynwyn

02:40

18.8km

970m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 16, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Parking

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2.87 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 …

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2.87 km

Cribyn Summit

Highlight • Natural Monument

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

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11.9 km

Rhiw yr Ysgyfarnog Escarpment

Highlight • Natural Monument

Easier to walk it than it is to say, the Rhiw yr Ysgyfarnog escarpment is an arrow-straight ridge that takes hikers from the high points of the Central Beacons towards …

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13.4 km

View of Bannau Brycheiniog from the Summit Cairn

Highlight • Summit

this is a good spot for a breather and to take in the incredible views

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13.8 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 …

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13.8 km

Corn Du

Highlight • Natural Monument

From the 2,864 feet (873 m) summit of Corn Du, you get spectacular views of Llyn Cwm Llwch directly below and over Wales stretching out below. The trail to this …

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13.8 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. …

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14.4 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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18.8 km

End point

Parking

Way Types & Surfaces

Way Types

10.0 km

3.53 km

3.26 km

1.43 km

375 m

122 m

Surfaces

8.94 km

5.21 km

3.12 km

1.32 km

175 m

Elevation

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

Weather

Saturday 9 May

13°C

2°C

-- %

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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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Cribyn Summit – Corn Du summit loop from Cwmcynwyn

Cribyn Summit

Cribyn Summit

Rhiw yr Ysgyfarnog Escarpment

View of Bannau Brycheiniog from the Summit Cairn

Corn Du summit

Corn Du

Col between Corn Du and Pen y Fan

Pen y Fan

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