Pyg Track 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 rocky path from Pen y Pass round the side of Crib Goch to Bwlch Glas.

The Pyg Track starts at about 367 m and gains 706 m over 5.3 km to 1,040 m on the track. The first kilometre climbs 92 m. The steepest kilometre is the one ending at 5 km, which climbs 187 m at an average of 19%, with a 500 m stretch from 4.1 km at about 29%. It keeps climbing at 16% to the top. About 26% of the way is steeper than 1 in 5, so expect hands-on-knees going and a slow descent.

Pyg Track at a glance

Distance5.3 km one way, to the top
Ascent740 m
Climb on the track706 m up, 30 m down on the way
Start and top of the track366 m to 1,043 m (summit 1,085 m)
Steepest 500 mAbout 29%, from 4.1 km
Steeper than 1 in 526% of the way
Time up2h 20m by Naismith's rule
There and back3h 20m, down the same way
GradeModerate
StartPen y Pass car park, LL55 4NY
Start grid referenceSH 646 556
Summit grid referenceSH 609 543
ParkingPen y Pass car park must be booked ahead. Otherwise park at Nant Peris or Llanberis and take the Sherpa'r Wyddfa bus up.
BusSherpa'r Wyddfa buses link all the main starts round the mountain.

Pyg Track 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 367 m5.3 km to the top
Start grid ref SH 646 556 · Driving directions · By bus or train

Near the start

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

Download the Pyg Track 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.

Pyg Track 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 km459 m+92 m9%SH 637 553
2 km579 m+120 m12%SH 630 550
3 km673 m+94 m9%SH 621 547
4 km797 m+124 m12%SH 613 548
5 km984 m+187 m19%SH 608 546
5.3 km1,040 m+56 m16%SH 609 543

How long the Pyg Track takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up1h 50m2h 45m
Steady (Naismith) 5 km/h, 10 min per 100 m up2h 20m3h 20m
Relaxed 4 km/h, 12 min per 100 m up2h 50m4h 10m

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 13:54 to be down before dark, allowing 3h 20m for the walk and an hour for stops.
  • Tomorrow: sunrise 07:50, sunset 18:12. Start by 13:52 to be down before dark, allowing 3h 20m 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 the Pyg Track: 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 Pen y Pass car park

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
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
Crib Goch North Ridge from Blaen y Nant5.3 km one way903 m2h 35mScramble

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 646 556, 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.

Pyg Track: questions and answers

How far is the Pyg Track?

The Pyg Track is 5.3 km one way to the summit of Snowdon, with 740 m of ascent. There and back by the same way is about 10.6 km.

How long does the Pyg Track take?

About 2h 20m to the summit of Snowdon and 3h 20m 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 10m for the round trip.

How steep is the Pyg Track?

The steepest 500 m averages about 29%, starting 4.1 km from the start, and 26% of the way is steeper than 1 in 5. The Pyg Track climbs 706 m in all on the track.

Where do you park for the Pyg Track?

The Pyg Track starts from Pen y Pass car park (postcode LL55 4NY). The grid reference is SH 646 556. Pen y Pass car park must be booked ahead. Otherwise park at Nant Peris or Llanberis and take the Sherpa'r Wyddfa bus up. Sherpa'r Wyddfa buses link all the main starts round the mountain.

Is the Pyg Track suitable for beginners?

Yes, for fit walkers on a clear day. Peakify grades it Moderate: a long climb on a made path, but the top is high, exposed and colder than the start. Turn back if the cloud comes down and you can't navigate.

What time should I start the Pyg Track today?

By 13:54 at the latest. Sunset on Snowdon today is 18:14, The Pyg Track takes about 3h 20m there and back, and that leaves an hour for stops. Start earlier in winter or if the forecast turns.

Is there a GPX for the Pyg Track?

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.