Pen y Brynfforchog · Pen y Brynnfforchog
One classification here — Simm — belongs to a list OpenFell holds only part of, so it has no list page. See how far the coverage goes.

- Height
- 684.9 m · 2,247 ft
- Prominence
- 71 m
- Grid reference
- SH 81780 17965
- Coordinates
- 52.74632, -3.75283
- County / area
- Gwynedd
- Region
- Bala to Welshpool
- OS Landranger
- 124 125
- OS Explorer
- OL23E
- Summit feature
- small pile of stones
- Key col
- SH822185 (614 m)
About Pen y Brynfforchog
Pen y Brynfforchog is a subsidiary summit of Glasgwm in the Aran range of southern Snowdonia, separated from its parent by the pass of Bwlch y Fign.
The summit is bare, marked only by a few stones. The outlook takes in the Dyfi hills, including a direct view of the Craig Portas ridge with Maesglase and Cribin Fawr.
Background written from facts in the Wikipedia article on Pen y Brynfforchog (CC BY-SA 4.0). Heights, prominence and grid references come from the Database of British & Irish Hills, not from Wikipedia.
Access rights here
Conditional Right to roam: Right to roam only on mapped CRoW open access land.
Permission needed Wild camping: Permission needed everywhere.
General position for Wales — local byelaws, seasonal restrictions and closures can override it. Full details: access rights in Wales · check another location.
Daylight at this summit today
- Sunrise
- —
- Sunset
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- Daylight
- —
- Civil twilight ends
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Computed astronomically for 52.746, -3.753. Plan your finish with the daylight safety planner.
Summit weather live
Loading forecast for the summit (685 m)…
Forecast adjusted to summit altitude. Weather data from MET Norway (CC BY 4.0).
Finding the summit
NW of fence junction.
The recorded summit point is small pile of stones. That distinction matters on broad or flat tops, where the obvious cairn is not always the true high point.
- Survey method
- Trimble GeoXH 6000
- Record revised
- 08-Dec-18
- Drop measured from
- SH822185 · 614 m
Classification history: Bridge top moved to hill 19458.
Survey notes are field observations recorded in the Database of British & Irish Hills (v18.3, CC BY 4.0) by the hill-surveying community.
Which hill this one belongs to
Pen y Brynfforchog is not counted as an independent hill in its own right. In prominence terms it belongs to Glasgwm (779 m) — the nearest Marilyn you can reach from this summit without first dropping below its key col, 614 m.
Grouping is by prominence alone: a summit belongs to the nearest higher Marilyn it connects to without a deeper intervening col. Over a large massif that can gather hills no one would walk in a single day, and which few would describe as parts of the same mountain — it is a measure of independence, not a suggested route.
Nearest listed peaks
| Peak | Height | Distance |
|---|---|---|
| Glasgwm | 779 m | 2.4 km |
| Maesglase | 678.5 m | 2.9 km |
| Cribin Fawr | 658.8 m | 3.5 km |
| Waun Camddwr | 621.7 m | 3.9 km |
| Waun-oer | 670 m | 4.5 km |
| Gwaun y Llwyni | 685.5 m | 4.7 km |