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Pen y Manllwyn Summit – Pen y Gadair Fawr Summit Cairn loop from Blaen y Cwm

Routes

Hiking trails & Routes

Pen y Manllwyn Summit – Pen y Gadair Fawr Summit Cairn loop from Blaen y Cwm

Moderate

4.9

(14)

201

hikers

Pen y Manllwyn Summit – Pen y Gadair Fawr Summit Cairn loop from Blaen y Cwm

04:30

15.1km

460m

Hiking

Moderate hike. 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: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Parking

Get Directions

11 m

Forest Path

Highlight • Trail

The terrain up through this beautiful forest can vary in intensity as in unable to see, find and to even trodden along on- depending on the recent weather conditions can …

Tip by

2.52 km

Climb to Grwyne Fawr Reservoir

Highlight • Climb

Fantastic climb to the reservoir fairly tough on the gravel bike with rough sections. stunning scenery back down the valley and as you approach the reservoir!! The climb above, to …

Tip by

3.88 km

Grwyne Fawr Bothy

Highlight • Mountain Hut

Grwyne Fawr bothy is a wonderful place to spend the night. On the banks of the reservoir, and nestled between the hills that give it its name, it's a perfectly …

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6.15 km

Moorland Valley View

Highlight • Viewpoint

9.00 km

Pen y Manllwyn Summit

Highlight • Natural Monument

Pen y Manllwyn 773.71m (2538ft)
Jones and sub Marsh summit

Tip by

9.96 km

Waun Fach Ordnance Survey Marker

Highlight • Monument

9.96 km

Waun Fach summit

Highlight • Summit

A silent giant, Waun Fach is the highest point in South Wales' Black Mountains. Its gradual slopes and the flat nature of its summit mean that it can hardly be …

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12.1 km

Pen y Gadair Fawr Summit Cairn

Highlight • Viewpoint

In terms of height, Pen y Gadair Fawr plays second fiddle only to Waun Fach as the Black Mountains' second highest summit. However, where Waun Fach's top is broad and …

Tip by

15.1 km

End point

Parking

Way Types & Surfaces

Way Types

6.94 km

5.77 km

2.17 km

134 m

< 100 m

Surfaces

5.49 km

4.50 km

2.59 km

2.45 km

< 100 m

Elevation

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

Weather

Sunday 21 June

28°C

15°C

-- %

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Comments

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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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Pen y Manllwyn Summit – Pen y Gadair Fawr Summit Cairn loop from Blaen y Cwm

Forest Path

Climb to Grwyne Fawr Reservoir

Grwyne Fawr Bothy

Moorland Valley View

Pen y Manllwyn Summit

Waun Fach Ordnance Survey Marker

Waun Fach summit

Pen y Gadair Fawr Summit Cairn

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