Gwaun y Llwyni, Pen yr Allt Uchaf, Glasgwm and Pen y Brynnfforchog
4 Hewitts in Mid Wales, the Arans & Cadair Idris, climbed together from Rhydymain.
- Distance
- 21.2 km
- Ascent
- 1190 m
- Time
- 7–9.5 h
- Grade
- Hard
- Route
- Circular
- High point
- 780 m
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Route mapped on from OpenStreetMap paths, with heights from EU-DEM terrain data; not yet checked on the ground by TRXO. Added to TRXO on . For planning only: always navigate with an up-to-date map such as OS Explorer or Harvey. How we make our routes.
About this walk
Gwaun y Llwyni, Pen yr Allt Uchaf, Glasgwm and Pen y Brynnfforchog is a hard 21.2 km circular walk with 1,190 m of ascent, taking 7 to 9.5 hours. It starts at Rhydymain (grid reference SH 811 216). It climbs 4 listed hills, the highest Glasgwm at 780 m.
Gwaun y Llwyni, Pen yr Allt Uchaf, Glasgwm and Pen y Brynnfforchog are Hewitts in Mid Wales, the Arans & Cadair Idris, close enough to climb together. The highest, Glasgwm, reaches 780 m (2,557 ft). Hewitts are the hills of England, Wales and Ireland over 2,000 ft (610 m) that rise at least 30 m above their surroundings.
From Rhydymain, much of the way is over open hillside with no path: pick your line with a map and compass. It links the summits along the ridge between them, then returns to the start. It's a long day: many people cycle any track at the start.
Route
-
1
The approach
From Rhydymain, head across the hillside towards Gwaun y Llwyni.
-
2
The summits
Climb Gwaun y Llwyni, then continue to Pen yr Allt Uchaf, Glasgwm and Pen y Brynnfforchog.
-
3
Return
Descend and return to the start.
Summits
686 m
630 m
780 m
685 m
Questions about this walk
- How long does Gwaun y Llwyni, Pen yr Allt Uchaf, Glasgwm and Pen y Brynnfforchog take?
- Most walkers take 7–9.5 hours for the 21.2 km route, which has 1,190 m of ascent. That allows for short stops; give yourself longer in winter, in poor weather or with a group.
- Where does the walk start, and where can I park?
- It starts at Rhydymain (grid reference SH 811 216). Park considerately off the road; don't block gates, passing places or farm tracks.
- Can I get there by public transport?
- Not easily: there's no regular bus or train to the start, so you'll need a car, a lift or a long walk in.
- How hard is it?
- It's graded hard. Largely pathless hillside: rough, steep and boggy in places.
- Which hills does it climb?
- Glasgwm (780 m, Hewitt); Gwaun y Llwyni (686 m, Hewitt); Pen y Brynnfforchog (685 m, Hewitt); Pen yr Allt Uchaf (630 m, Hewitt).
- Can I take my dog?
- Yes, dogs are welcome on this walk. Before you go: Sheep graze the lower slopes: keep dogs on a lead, especially during lambing (April and May).
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