Trum y Ddysgl

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Trum y Ddysgl
Trum y Ddysgl from Mynydd Drws-y-coed
Highest point
Elevation709 m (2,326 ft)
Prominence204 m (669 ft)
ListingMarilyn, Hewitt, Nuttall
Language of nameWelsh
LocationGwynedd, Wales
Parent rangeMoel Hebog
Topo mapOS Landranger 115, OS Outdoor Leisure 17
Easiest routeWalk
Listed summits of Trum y Ddysgl
Name Grid ref Height Status
Mynydd Drws-y-Coed 695 m (2,280 ft) Hewitt, Nuttall
Mynydd Tal-y-Mignedd 653 m (2,142 ft) Hewitt, Nuttall

Trum y Ddysgl is a mountain in Snowdonia, north Wales and is the second highest summit on the celebrated Nantlle Ridge. It is also one half of the two Marilyns that make up the ridge, the other being Craig Cwm Silyn.[1]

The mountain has a dramatic morphology: with two aretes, dark glacial cwms and rocky character. There are views of Snowdonia, with Mynydd Mawr, Yr Wyddfa and Moel Hebog being close neighbours. The peak also has 3 other tops, which all in all form a rocky and relatively narrow part of the Nantlle ridge.


  1. ^ Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.

Coordinates: 53°02′32″N 4°10′19″W / 53.0421608°N 4.1720484°W / 53.0421608; -4.1720484