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:Allt y Ddinas
Hill number:14941
Height:448.5m / 1471ft
Parent (Ma):2203  Drygarn Fawr
RHB Section:31C: South-West Wales
County/UA:Powys (CoU)
Class:Tump (400-499m)
Grid ref:SN 92834 56740
Summit feature:no feature: grass
Col:414.2m  SN 9283 5703  
OS map sheet(s):(1:50k) 147
(1:25k) 200W
Survey:obvious summit/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, and mention the hill number and hill name.

Logged Descriptions  (logged by 10 users)ByDate of Ascent
From Y Garth, direct route, steep down and up via Cwmdulas farm- silent. Low rock outcrop on grassy top. Good views . red Kite and singing larks overhead.Denise 16/03/2018
From Y Garth via Cwmdulas farm and steep S slope aided by zigzagging sheep tracks. Levellish grassy summit with distinct highnpoint bound by small rock step on NW side. Sky Larks singing.RichardM16/03/2018
Continuation from Y Garth. Took the much easier north ridge down to the bridleway, then NNE up the delightful valley of the Nant Cyfyng, then steeply up the east flank of the hill to the summit. Continued to Gorllwyn. Solo.marktrengove07/05/2016
3/7 Third of epic walk with great scenery (Y Garth/Wennallt/Alt Y Dinas/Gorllwyn/Drygan Fawr/Darren/Bryn)Fergalh13/03/2016
Grassy summit, from ENE, via Wennallt, sheep trod on S face on return. RHW10/07/2010