Add marker to map:              help
Marker Notes X

To add your own marker to the map, click on the appropriate symbol below the map, then click again at the location required on the map (using the crosshairs).

Logged-in registered users only...
When you add a marker, a pop-up box should then appear on the map - fill in the elevation (if known) and a brief description of your marker, then click [save].

To view previously saved markers which fall within the bounds of the map, click the show link (you may need to repeat this if you zoom or pan away from the current position on the map).

Name:Bryn Gwyn
Hill number:14614
Height:291.3m / 956ft
Parent (Ma):2004  Trum y Ddysgl
RHB Section:30B: Snowdonia
Nuttall/Wainwright area:Moel Hebog
County/UA:Gwynedd (CoU)
Catchment:Llyfni, Gwyrfai, Catchment Boundaries
Class:Tump (200-299m)
Grid ref:SH 55656 53438
Summit feature:no feature: grass
Col:256.9m  SH556535  
OS map sheet(s):(1:50k) 115
(1:25k) OL17W 254
Observations:ground 6m N is as high
Survey:Trimble GeoXH 6000
Change log:show changes for this hill entry
GPS data:show GPS entries for this hill

Show Map
(Please be considerate with your usage of the OS map pages, as there are daily limits)

View on: Geograph  OS Maps  Streetmap  Magic  NLS  OSM

Full screen map
Switch to Bing Maps view
(Please be considerate with your usage of the Full Screen/Bing Maps pages, as there are monthly limits)

Resize map: portrait / landscape / reset

Map Help, This page uses the Ordnance Survey OpenSpace API
which does not include Explorer (1:25000 scale) mapping.

Show/hide GPS File for mountains/markers shown

Show/hide GPX File for mountains shown

No summit photo available
Hill summit
No portrait photo available
Hill portrait

To contribute a summit or portrait photo for a hill
please contact the hillsummits website

N.B. Some hill summits are on private property or on land where there is no public right of way.  Permission should be sought from the landowner where access to a hill summit is through private land.
Please report via the contact page any logs you see below which describe or encourage acts of trespass.  Please quote the hill number and hill name.

Logged Descriptions  (logged by 32 users)ByDate of Ascent
From Clogwynygarreg. Went down to west to a gate (barb-wired) at SH 55498 53451 to get on to the B4418.Alan Moore21/07/2020
from dywarchen res cp nicd spot anti clocwise round Clogwyngarreg big mistake bog to wet cross old dam now off crow on to mynydd mawr good views of mornings moel eilio walk back same way, decide to get to top of Clogwyngarereg very interesting hand on, careful decent bryn gwyn and back to resunderhill10/11/2019
Directly up from dam. Grass a bit slippy so headed to north col on descent. Third completion of Gwyrfai catchment, first of Llyfni.chriswatson09/07/2018
andrew brown16/02/2018
From Rhyd-Ddu, on my own, sunny but cool breezealwaysinshorts21/04/2017
From Clogwynygarreg.Wycombe Wanderer06/04/2017
With ClogwynygarregJamesD197218/01/2017
On way down from Mynydd Mawr with Matt H. Descending the S side of Clogwynygarreg was steep but practicable; then an easy climb. Dropping directly to the SE involves a barbed wire fence. Room to park cars at the dam.Mark Jackson23/08/2016
Early morning yomp from the small carpark. Should have worn boots as the steep dewey grass slope was like ice in my old trainers. Clogwynygarreg afterwards.Herbert Anchovy03/06/2016
Parked next to little reservoir to hoof yup this little tiddlervegibagger30/04/2016
CUHWC Rhyd Ddu Trip. A gentle Saturday walk with ALF. Ascent from Rhyd Ddu, through forest, beside fence to Mynydd Mawr. Cloudy and showers, but improved later in the day. Returned over the two smaller peaks to the east.AGWilliamson09/05/2015
added to an ascent of Mynydd Mawr, with Frank and Steve, from Llyn y Dywarchen, dry then strong winds and rain....Lou21/11/2014
Mynydd Mawr with Lindsay and Steve from Rhyd Ddu and via Bryn Gwyn and Clogwyngarreg.knarf21/11/2014
On own. Parked at Llyn y Dywarchen then up and over Bryn Gwyn and Clogwyngarreg (a cracking precipitous little mound) before heading for Mynydd Mawr. Hellish windy on the top of Mynydd Mawr. Same way back circling west of the two tumps.Crib Goch15/10/2014
Pete R16/05/2014
Alex C15/10/2013
After visiting Mynydd Mawr.mad max03/10/2013
Small car park by Llyn Dywarchen Reservoir at SH 55910 53330. Bryn Gwyn - Clogwynygarreg. Awesome views.David Gradwell13/07/2010
Date approx, recceing for some super-long hillrunning circuit I never got round to doing.RHW01/06/2000