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Name:Ynys Gwylan-fawr
Hill number:18644
Height:33.1m / 109ft
Parent (Ma):none
RHB Section:30A: Anglesey and the Lleyn Peninsula
County/UA:Gwynedd
Island:Mono Tump island
Class:Tump (0-99m), SIB
(Tu,0,SIB)
Grid ref:SH 18427 24512
Summit feature:rock
Drop:33.1m
Col:Sea
OS map sheet(s):(1:50k) 123
(1:25k) 253
Survey:Trimble GeoXH 6000
Change log:show changes for this hill entry
GPS data:show GPS entries for this hill

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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 7 users)ByDate of Ascent
Kayak from Aberdaron. Launched from the beach on a falling tide at 11:50. Recovered kayak 1 hr 30 mins later after visiting summits of both Bach and Fawr. Extremely light winds, swell approx 2ft. Landed ob rocks for both islands, Bach first at SH 18170 2430 then Fawr at NE end (SH 1848 2464), easy scramble up rocks.jonglew29/09/2020
Solo kayak from Aberdaron. 1-2 foot swell, light N winds. Landed similar area to Rob, easy scramble up. Fair bit of tide pushing through the gap.AndyS13/09/2019
Aberdaron a surfing beach so beware. 1-2ft swell this pm, easy to get out and easy paddle over. Gwylan-bach first, limited landing options but able to get kayak ashore near N corner for slippery scramble up, knee deep sea beet, outcrop highpoint (SH 18167 24221 GPS) looking across to Bardsey. Then Gwylan-fawr: landing at SW end looked marginal, just SW of N corner was ideal, steeply up more knee-deep beet and tree mallow, a few stones at highpoint. Easiest launch of the 3 today and nice paddle back. Note, longish way from car park to beach.RHW22/09/2018
Canoed across from Aberdaron beach. Easy 1 hour paddle. Landed on the south of the island followed by easy scramble to top. Also canoed over to Ynys Gwylan-bach. Paddle back a little harder because it was against the wind. Lovely weather.andrew brown30/07/2016
Calm seas, lovelyAdrian08/02/2015
From Porth Meudwy on Enlli boat, chartered by AR especially for the trip. Landed on north-east side of island. A short easy, but slippery scramble on rock led to steep flank of rough grass, then up onto plateau and steeply up grassy summit cone to highest point. A fine viewpoint. With MP, AC and AR +1.Man of Kernow108/02/2015
Alex C08/02/2015