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Pen Allt-Mawr from the Rhiangoll Valley

Pen Allt-Mawr from the Rhiangoll Valley


Postby poppiesrara » Sun Mar 30, 2014 9:20 pm

Hewitts included on this walk: Mynydd Llysiau, Pen Allt-mawr, Pen Cerrig-calch

Date walked: 26/03/2014

Time taken: 4.5

Distance: 21 km

Ascent: 980m

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A long, quiet route in the Brecon Beacons on a lovely hazy spring day.

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This was a revisit to the finest peaks in the Black Mountains, on a route climbing from the western valleys that I’d rarely seen suggested or described anywhere, but proved a really good one. Much of the walking in the Rhiangoll valley is on country lanes rather than paths, but that’s rather a relief after months in the Peak District mud, and they could hardly be quieter – it would be a surprise to have seen a person, let alone a vehicle, on these three or four miles. The steep slopes of Mynydd Troed and Mynydd Llangorse to the west dominate the valley rather than the gentler rises to the high Black Mountains the other way, but those gentler slopes make for a very good ascent route on a broad green bridleway. From the ridge, the sharp spur of Pen Trumau looks a tempting way onward, but experience of the black morass from there to Waun Fach proves that to be deceptive! Doubling back on the gentle ridge south over Mynydd Llysiau, much as this is never likely to be anyone’s favourite Hewitt, is a much friendlier proposition.
Pen Allt-Mawr 007.jpg
Mynydd Troed

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Pen Twyn Glas over Cwm Nant-y-Fedw

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Rhiangoll valley from the ascent bridleway

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Pen Trumau

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Mynydd Troed over the valley

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Mynydd Llysiau

After a short peaty stretch – the worse parts avoidable with dry feet as long as you can master about a two-metre standing long-jump over the haggy streams (again and again to the point of near-exhaustion) - the going firms up into a fine ridge-walk south, the route stretching temptingly out in front with handsome, albeit misty, views of the green valleys below. Pen Allt-Mawr does a pretty good impression of Pen-y-Ghent from the approach, and similarly, the ascent up the promontory is really quite steep and rocky. Not quite a scramble, but probably as close as you’ll get in the Black Mountains, and a fine climb to a fine peak. Pen Cerrig-Calch afterwards is just as good, littered attractively with a surprising mass of white stones.
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Boundary stones north of Pen Twyn Glas

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Pen Allt-Mawr

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Mynydd Llangorse and Mynydd Troed

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Waun Fach & Pen y Gadair Fawr from Pen Allt-Mawr's tottering trig

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Cwm Banw with the Skirrid and Sugar Loaf in the distance

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Pen Cerrig-Calch

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Pen Allt-Mawr from Pen Cerrig-Calch

It’s a nice gentle descent down the south-west ridge, pathless at first but plenty of decent treads through the dead bracken further down, giving increasingly good views of the very attractive ridge of Pen Gloch-y-Pibwr above Cwm-Gu and this fine verdant side of the peaks above. Not far down to reach the Beacons Way which wends clearly – if sometimes a little too undulatingly at the end of the day… – above the intake wall back north along the valley home.
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Myarth in front of the high Beacons lost in haze

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Pen Gloch-y-Pibwr

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Looking up Cwm-Gu...

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...and down

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Slopes of Pen Cerrig-Calch

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Pen-Tir
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poppiesrara
Mountain Walker
 
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Re: Pen Allt-Mawr from the Rhiangoll Valley

Postby clivegrif » Tue Apr 01, 2014 9:19 pm

Ah, this takes me back to last September when I was across on the other side of the valley on Mynydd Troed.

Really good part of the Black Mountains this - and it looks like you had a grand day out.
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clivegrif
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