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Tyrrau Mawr (Craig-las)
661m (2169ft)

The Cadair Idris Area, Snowdonia, Gwynedd, Wales

The summit of Tyrrau Mawr (Craig-las) is marked by a fence junction.


Record Tyrrau Mawr (Craig-las) as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
96th highest in Wales,
231st in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
128th highest in Wales,
308th in England & Wales

You can find Tyrrau Mawr (Craig-las) & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps: (click/TAP to select)

Snowdonia National Park


1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):

OL23 Cadair Idris & Bala Lake/Llyn Tegid


1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):

124 Dolgellau & Porthmadog


See Tyrrau Mawr (Craig-las) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Tyrrau Mawr (Craig-las) and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Tyrrau Mawr (Craig-las) by using either of these 2 easy‑to‑follow route maps:
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Walk gw132 Tyrrau Mawr (Craig-las) and Craig-y-llyn from Llynnau Cregennen

Fine cliff top views (and fewer crowds)

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Walk GPX Icon
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Vital Statistics:

Length: 8.5ml (13.5km)
Ascent:2,406ft (733m)
Time:5½ hrs
Grade:Walk Grade 6 Icon (Moderate)
Walking Boot Print Icon

Walk gw169 Tyrrau Mawr (Craig-las) and Craig-y-llyn from Llanfihangel -y-pennant

Fine cliff top views without the crowds

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Walk GPX Icon
Walk PDF Icon

Vital Statistics:

Length: 10ml (16km)
Ascent:2,737ft (834m)
Time:6½ hrs
Grade:Walk Grade 7 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Tyrrau Mawr (Craig-las) Fellow go4awalkers who have already walked, climbed, summited & bagged Tyrrau Mawr (Craig-las)

Mark Davidson walked up Tyrrau Mawr (Craig-las) on July 1st, 2009 [from/via/route] Walk gw169 Tyrrau Mawr (Craig-las) & Craig-y-llyn from Llanfihangel -y-pennant [with] Alone [weather] Nice & sunny

Donovan Suddell climbed Tyrrau Mawr (Craig-las) on April 14th, 2021 [from/via/route] Llynnau Gregennen using gw132 [with] Father in Law [weather] Sunny & clear.

Bleddyn Rhys bagged Tyrrau Mawr (Craig-las) on February 26th, 2019 [from/via/route] Fynnu'r Pony path o ochr Dolgellau, troi ir dde a gwneud y grib i gyd hyd at Craig y llyn, cyn dod yn ol at CYfrwy ar Gadair ar hyd yr hen drac chwaral [with] Ar ben fy hyn [weather] Eithriadol o braf am fis Chwefror. Ond gwyn oer ar y top ac eira dal yn para yn gysgod haul o dan y grib Gogleddol. - Diwrnod hir - gorfod cerdded yn gyflym ac wedi blino'n lan erbyn y diwedd. Ddim wedi mynd a digon o ddwr hefo fi! Diwrnod gwych.

Marilyn Wadkin hiked Tyrrau Mawr (Craig-las) on May 28th, 2016 [from/via/route] Starting from Llanllwyda Camp Site in Tywyn. Walking to Hafotty Gwastadfryn & heading west when arriving at the pony path. Reaching Tyrrau Mawr then going onto Craig y llyn & coming down past Twll y Ogof & Nant Caw Fawr. [with] Rob. [weather] Sunny then a thunder storm then sunny again.

Christina Lander summited Tyrrau Mawr (Craig-las) on May 23rd, 2015 [from/via/route] Llanfihangel-y-pennant - Tyrrau Mawr - Craig-y-Llyn - Twll yr Ogof - Llanfihangel-y-pennant [with] Dick [weather] Sunny & warm - A perfect day with amazing views

Richard Penney conquered Tyrrau Mawr (Craig-las) on February 24th, 2013 [from/via/route] lakes to the north [with] Solo

Paul Booth and Trevor Williams have both walked, climbed & bagged Tyrrau Mawr (Craig-las).

To add (or remove) your name and experiences on this page - Log On and edit your Personal Mountain Bagging Record



More Photographs & Pictures of views from, on or of Tyrrau Mawr (Craig-las)

Craig-y-llyn from Tyrrau Mawr (Craig-las)

Craig-y-llyn from Tyrrau Mawr (Craig-las)

Photo: Mike Walker (388)

Ladder stile on the summit of Tyrrau Mawr (Craig-las) with Cyfrwy (The Saddle) and Cadair Idris (Penygadair) in the background

Ladder stile on the summit of Tyrrau Mawr (Craig-las) with Cyfrwy (The Saddle) and Cadair Idris (Penygadair) in the background

Photo: Mike Walker (387)

On the summit of Tyrrau Mawr (Craig-las)

On the summit of Tyrrau Mawr (Craig-las)

Photo: Mike Walker (389)

Approaching the summit of Tyrrau Mawr (Craig-las)

Approaching the summit of Tyrrau Mawr (Craig-las)

Photo: Mike Walker (386)

Barmouth and the Mawddach Estuary from the summit of Tyrrau Mawr (Craig-las)

Barmouth and the Mawddach Estuary from the summit of Tyrrau Mawr (Craig-las)

Photo: Mike Walker (391)

The Mawddach Estuary and the Y Garn (Rhinogs) massiff beyond from the summit of Tyrrau Mawr (Craig-las)

The Mawddach Estuary and the Y Garn (Rhinogs) massiff beyond from the summit of Tyrrau Mawr (Craig-las)

Photo: Mike Walker (392)

Barmouth and the Mawddach Estuary from the summit of Tyrrau Mawr (Craig-las)

Barmouth and the Mawddach Estuary from the summit of Tyrrau Mawr (Craig-las)

Photo: Mike Walker (390)

Tyrrau Mawr (Craig-las) from Cyfrwy

Tyrrau Mawr (Craig-las) from Cyfrwy

Photo: Gerald Murphy (102)


Send us your photographs and pictures on, of, or from Tyrrau Mawr (Craig-las)

If you would like to add your walk photographs and pictures featuring views from, on or of Tyrrau Mawr (Craig-las) to this page, please send them as email attachments (configured for any computer) along with your name to:



and we shall do our best to publish them.

(Guide Resolution = 300dpi. At least = 660pixels (wide) x 440 pixels (high).)

Send us your photographs and pictures on, of, or from Tyrrau Mawr (Craig-las) via Facebook

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NB. Please indicate where each photo was taken.




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