Gallt yr Ogof
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
- 763 m · 2,503 ft
- Prominence
- 43 m
- Grid reference
- SH 68529 58569
- Coordinates
- 53.10805, -3.96548
- County / area
- Conwy
- Region
- Snowdonia
- OS Landranger
- 115
- OS Explorer
- OL17E OL17W
- Summit feature
- rock 4m from cairn
- Key col
- SH682584 (720 m)
About Gallt yr Ogof
Gallt yr Ogof is a subsidiary top of Glyder Fawr and the most easterly summit above 2,000 feet in the Glyderau, with Cefn y Capel continuing further east at lower level. It pairs with Y Foel Goch, which stands on the ridge running west towards Glyder Fach.
The name points to its defining feature: a cave in the cliffs of the steep eastern side of the peak.
Background written from facts in the Wikipedia article on Gallt yr Ogof (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
- —
- Daylight
- —
- Civil twilight ends
- —
Computed astronomically for 53.108, -3.965. Plan your finish with the daylight safety planner.
Summit weather live
Loading forecast for the summit (763 m)…
Forecast adjusted to summit altitude. Weather data from MET Norway (CC BY 4.0).
Finding the summit
rocky ground 8m NW at SH 68525 58575 and large rock 14m N at SH 68525 58585 are of equal height.
The recorded summit point is rock 4m from cairn. That distinction matters on broad or flat tops, where the obvious cairn is not always the true high point.
- Survey method
- Abney level
- Record revised
- 23-Oct-23
- Drop measured from
- SH682584 · 720 m
Survey notes are field observations recorded in the Database of British & Irish Hills (v18.3, CC BY 4.0) by the hill-surveying community.
Long-distance paths past this hill
One waymarked long-distance route runs within 2.5 km of the summit — useful if you are linking this hill into a longer walk, or want a made path for the approach.
| Route | Total length | From summit |
|---|---|---|
| Snowdonia Slate Trail | 135 km | 1.5 km |
Route lines © OpenStreetMap contributors (ODbL); distance from the summit computed by OpenFell.
Reaching Gallt yr Ogof by train
One National Rail station sits within 8 km of the summit — close enough to make a car-free day of it. Distances are straight lines, not walking routes.
| Station | From summit | Summit lies |
|---|---|---|
| Roman Bridge | 7.7 km | N of the station |
Each station page lists every hill in its reach, long-distance paths from the door and a live-times link — see all stations with hills in reach. Station positions from NaPTAN (OGL v3.0).
Get food nearby
3 places to eat or drink within 10 km of the summit, rated under the Food Hygiene Rating Scheme (Scotland runs its own Food Hygiene Information Scheme, a pass/fail equivalent).
| Place | Type | Rating | Distance |
|---|---|---|---|
| Pen Y Gwryd Hotel | Hotel/bed & breakfast/guest house | 5 out of 5 | 3.7 km · SW |
| Bryn Tyrch Inn/Bryn at Capel | Hotel/bed & breakfast/guest house | 5 out of 5 | 3.9 km · E |
| Ogwen Falls Snack Bar | Restaurant/Cafe/Canteen | 5 out of 5 | 4 km · NW |
Classifications and ratings are the local authority's own and can be coarse — this is a lead, not a guarantee of opening hours or that food is served to non-residents. Follow a name through to the official rating page to check, and confirm before you rely on it.
Food hygiene data from the Food Standards Agency and Food Standards Scotland (Open Government Licence v3.0). Distances and directions computed by OpenFell from the summit.
Which hill this one belongs to
Gallt yr Ogof is not counted as an independent hill in its own right. In prominence terms it belongs to Glyder Fawr (1,001 m) — the nearest Marilyn you can reach from this summit without first dropping below its key col, 720 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 |
|---|---|---|
| Y Foel Goch | 805 m | 0.8 km |
| Tryfan | 917.5 m | 2.3 km |
| Glyder Fach | 994.3 m | 2.9 km |
| Castell y Gwynt | 972 m | 3.1 km |
| Glyder Fawr | 1000.9 m | 4.3 km |
| Moel Siabod | 872.2 m | 4.4 km |