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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

Walk Tyrrau Mawr (Craig-las) walking UK Mountains in The Cadair Idris Area Snowdonia National Park Gwynedd, Wales

Tyrrau Mawr (Craig-las) and The Coast from the summit of Cyfrwy

Photo: Chris Sillett


Not familiar with this top?

How is Tyrrau Mawr (Craig-las) classified?

Download 2 easy-to-follow, circular walks that climb Tyrrau Mawr (Craig-las)

See the location of Tyrrau Mawr (Craig-las) and both walks on an interactive Google Map

See the location of Tyrrau Mawr (Craig-las) on an interactive Google Bagging Map

See downloadable Bagging Map in PDF format that includes Tyrrau Mawr (Craig-las)

Read walk reports from hikers who have already bagged Tyrrau Mawr (Craig-las)

View more photographs & pictures of views from, on or of Tyrrau Mawr (Craig-las)


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)

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

Find Google Maps Peak Bagging Map Icon

The Whole of Snowdonia National Park

Find Google Maps Peak Bagging Map Icon

The Cadair Idris area of Snowdonia National Park


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

Find PDF Peak Bagging Map Icon

-The Cadair Idris area of Snowdonia National Park

NB: Whether you print off a copy or download it to your phone, this PDF Peak Baggers' Map might prove incredibly useful when your are up there on the tops and you cannot get a phone signal.


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

Snowdonia National Park


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

OS Explorer OL23 Cadair Idris & Bala Lake/Llyn Tegid


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

OS Landranger 124 Dolgellau & Porthmadog


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 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 it on April 14th, 2021 [from/via/route] Llynnau Gregennen using gw132 [with] Father in Law [weather] Sunny & clear.

Bleddyn Rhys bagged it 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 it 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 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 it 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)

Approaching the summit of Tyrrau Mawr (Craig-las)

Approaching the summit of Tyrrau Mawr (Craig-las)

Photo: Mike Walker (386)

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

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

Photo: Mike Walker (388)

Tyrrau Mawr (Craig-las) from Cyfrwy

Tyrrau Mawr (Craig-las) from Cyfrwy

Photo: Gerald Murphy (102)

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)

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)

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)


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

You can also submit photos via our Facebook Page.

NB. Please indicate where each photo was taken.


Not familiar with this top?

How is Tyrrau Mawr (Craig-las) classified?

Download 2 easy-to-follow, circular walks that climb Tyrrau Mawr (Craig-las)

See the location of Tyrrau Mawr (Craig-las) and both walks on an interactive Google Map

See the location of Tyrrau Mawr (Craig-las) on an interactive Google Bagging Map

See downloadable Bagging Map in PDF format that includes Tyrrau Mawr (Craig-las)

Read walk reports from hikers who have already bagged Tyrrau Mawr (Craig-las)

View more photographs & pictures of views from, on or of Tyrrau Mawr (Craig-las)




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