Crib Goch North Ridge from Blaen y Nant up Snowdon (Yr Wyddfa): route map, distance and time

1,085 m · Snowdonia

Yr Wyddfa (Snowdon) is the highest mountain in Wales, with a choice of well-made paths, a mountain railway and a café on the summit.

A remote approach up Cwm Glas to the grade 1 North Ridge and the Crib Goch crest. Very exposed, with no easy way off once on the ridge.

Crib Goch North Ridge from Blaen y Nant starts at about 180 m and gains 976 m over 5.3 km to 1,040 m on the track. It is steep from the start: the first kilometre climbs 199 m (20%). The steepest kilometre is the one ending at 2 km, which climbs 290 m at an average of 29%, with a 500 m stretch from 1.3 km at about 39%. It keeps climbing at 16% to the top. About 54% of the way is steeper than 1 in 5, so expect hands-on-knees going and a slow descent.

Crib Goch North Ridge from Blaen y Nant at a glance

Distance5.3 km one way, to the top
Ascent903 m
Climb on the track976 m up, 113 m down on the way
Start and top of the track169 m to 1,043 m (summit 1,085 m)
Steepest 500 mAbout 39%, from 1.3 km
Steeper than 1 in 554% of the way
Time up2h 35m by Naismith's rule
There and back3h 40m, down the same way
GradeScramble
StartBlaen y Nant, Llanberis Pass
Start grid referenceSH 620 569
Summit grid referenceSH 609 543
ParkingLimited lay-bys on the A4086 in the Llanberis Pass that fill early. The Sherpa'r Wyddfa bus runs through the pass.
BusSherpa'r Wyddfa buses link all the main starts round the mountain.

Crib Goch North Ridge from Blaen y Nant map

The track from the start (green) to the summit (blue), with a marker at each kilometre.

Height profile and getting to the start

Start 181 m5.3 km to the top
Start grid ref SH 620 569 · Driving directions · By bus or train

Near the start

From OpenStreetMap, within 2 km. Check opening times before you rely on them.

Download the Crib Goch North Ridge from Blaen y Nant GPX

Ascent only: plan your way down. A planning track, not checked on the ground; it doesn't show safe scrambling moves. Track data © OpenStreetMap contributors (ODbL), heights from a terrain model.

Crib Goch North Ridge from Blaen y Nant kilometre by kilometre

Height, climb and average gradient for each kilometre of the track, with a grid reference at the end of each one to check your position on the map.

AtHeightClimbGradientGrid ref
1 km379 m+199 m20% steepSH 618 564
2 km670 m+290 m29% steepSH 623 557
3 km840 m+170 m17%SH 622 551
4 km988 m+148 m15%SH 613 551
5 km996 m+8 m1%SH 608 545
5.3 km1,040 m+44 m16%SH 609 543

How long Crib Goch North Ridge from Blaen y Nant takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up2h 5m3h 0m
Steady (Naismith) 5 km/h, 10 min per 100 m up2h 35m3h 40m
Relaxed 4 km/h, 12 min per 100 m up3h 10m4h 25m

Times leave out stops. Coming down the same way, the table counts the ascent once; steep descents on rough ground can be as slow as the climb.

  • Today: sunrise 07:48, sunset 18:14. Start by 13:34 to be down before dark, allowing 3h 40m for the walk and an hour for stops.
  • Tomorrow: sunrise 07:50, sunset 18:12. Start by 13:32 to be down before dark, allowing 3h 40m for the walk and an hour for stops.

Snowdon summit weather for this route

  • Marginal Today Sunday 18 October

    Partly cloudy, up to 4°C at the summit, feeling as cold as -6°C, summit wind 27 mph gusting 33 mph, 0% chance of rain. Rated Marginal. Sunrise 07:48, sunset 18:14.

  • Poor Tomorrow Monday 19 October

    Moderate drizzle, up to 5°C at the summit, feeling as cold as -4°C, summit wind 41 mph gusting 51 mph, 90% chance of rain. Rated Poor. Sunrise 07:50, sunset 18:12.

Best day of the next seven for Crib Goch North Ridge from Blaen y Nant: Sunday 18 October, with summit gusts around 33 mph and a 0% chance of rain.

Cloud inversion tomorrow morning: 0% (Low), best around 05:00. 7-day inversion outlook.

Hour-by-hour Snowdon forecast · 14-day forecast · Is it safe to climb Snowdon?

Before you go, also check: MWIS Snowdonia forecast · Met Office mountain forecast and hazards · Yr Wyddfa ground conditions report.

What to take today

  • An insulated jacket, hat and warm gloves: it feels like -6°C on top.
  • A waterproof jacket. It can rain on the tops in any forecast.
  • A windproof layer, and poles for balance in gusts to 33 mph.
  • Microspikes for icy paths. In snow, an ice axe and crampons and the skills to use them.
  • Map and compass, and the skills to use them. A phone is a backup, not a plan.
  • A head torch, food, water, a charged phone and a small first aid kit.

About Snowdon

Green ridge below the summit of Yr Wyddfa looking down to Llyn Llydaw, with the pointed top of Crib Goch on the left
From near the summit towards Llyn Llydaw, with Crib Goch on the left. Photo: Julian Herzog, CC BY 4.0.

Yr Wyddfa (Snowdon) is the highest mountain in Wales, with a choice of well-made paths, a mountain railway and a café on the summit. More about Snowdon, with the live forecast.

On the lists: Furth, Hewitt, Nuttall, Marilyn, historic county top, county top.

Extend the walk: tops near the summit

Challenges that include Snowdon

More walks from Blaen y Nant, Llanberis Pass

Routes in Peakify's guides that start within 500 m of this one, for another day from the same car park.

Other routes up Snowdon

RouteDistanceAscentTime upGrade
Llanberis Path6.9 km one way979 m3h 0mModerate
Pyg Track5.3 km one way740 m2h 20mModerate
Miners' Track6.8 km one way770 m2h 40mModerate
Rhyd Ddu Path5.9 km one way900 m2h 40mModerate
Snowdon Ranger Path6.4 km one way940 m2h 50mModerate
Watkin Path6.5 km one way1,015 m3h 0mHard
South Ridge (Allt Maenderyn)6.5 km one way900 m2h 50mHard
Crib Goch5.1 km one way880 m2h 30mScramble
Y Lliwedd traverse7.0 km one way723 m2h 35mScramble
Fox's Path and Crib Goch North Ridge6.5 km one way723 m2h 30mScramble

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 620 569, the summit at SH 609 543), what happened and how many are in your group. If you have no signal for a call, a text to 999 works once you have registered your phone with emergencySMS: text "register" to 999 before you go.

Crib Goch North Ridge from Blaen y Nant: questions and answers

How far is Crib Goch North Ridge from Blaen y Nant?

Crib Goch North Ridge from Blaen y Nant is 5.3 km one way to the summit of Snowdon, with 903 m of ascent. There and back by the same way is about 10.6 km.

How long does Crib Goch North Ridge from Blaen y Nant take?

About 2h 35m to the summit of Snowdon and 3h 40m there and back by Naismith's rule (5 km/h plus 10 minutes per 100 m of ascent), before stops. A relaxed group takes nearer 4h 25m for the round trip.

How steep is Crib Goch North Ridge from Blaen y Nant?

The steepest 500 m averages about 39%, starting 1.3 km from the start, and 54% of the way is steeper than 1 in 5. Crib Goch North Ridge from Blaen y Nant climbs 976 m in all on the track.

Where do you park for Crib Goch North Ridge from Blaen y Nant?

Crib Goch North Ridge from Blaen y Nant starts from Blaen y Nant, Llanberis Pass. The grid reference is SH 620 569. Limited lay-bys on the A4086 in the Llanberis Pass that fill early. The Sherpa'r Wyddfa bus runs through the pass. Sherpa'r Wyddfa buses link all the main starts round the mountain.

Is Crib Goch North Ridge from Blaen y Nant suitable for beginners?

No. It is a scramble: you use your hands on rock, often with big drops below. Go with someone experienced, on a dry and calm day, or take the Llanberis Path instead.

What time should I start Crib Goch North Ridge from Blaen y Nant today?

By 13:34 at the latest. Sunset on Snowdon today is 18:14, Crib Goch North Ridge from Blaen y Nant takes about 3h 40m there and back, and that leaves an hour for stops. Start earlier in winter or if the forecast turns.

Is there a GPX for Crib Goch North Ridge from Blaen y Nant?

Yes. Download it from this page. It is an ascent-only planning track from the start to the summit, plotted on OpenStreetMap paths and not checked on the ground.