Bwlch y Ddeufaen via Drum and northern ridge up Foel-fras: route map, distance and time

944 m · Snowdonia · OS grid SH696681

Foel-fras is the northern end of the Welsh 3000s, a grassy summit on the northern Carneddau ridge with a wall running across its top.

A hard mountain walk to the summit from Bwlch y Ddeufaen mapped track junction.

The Bwlch y Ddeufaen via Drum and northern ridge starts at about 399 m and gains 580 m over 6.6 km to 934 m on the track. The first 2 km are the easy part, averaging 3%. The steepest kilometre is the one ending at 3 km, which climbs 164 m at an average of 16%, with a 500 m stretch from 5.5 km at about 22%. It keeps climbing at 14% to the top.

Bwlch y Ddeufaen via Drum and northern ridge at a glance

Distance6.6 km one way, to the top
Ascent600 m
Climb on the track580 m up, 45 m down on the way
Start and top of the track399 m to 934 m (summit 944 m)
Steepest 500 mAbout 22%, from 5.5 km
Steeper than 1 in 59% of the way
Time up2h 20m by Naismith's rule
There and back3h 40m, down the same way
GradeHard
StartBwlch y Ddeufaen mapped track junction, LL32 8UR
Start grid referenceSH 729 714
Summit grid referenceSH696681
ParkingBwlch y Ddeufaen eastern road-end car park (SH720715); the postcode is approximate

Bwlch y Ddeufaen via Drum and northern ridge 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 399 m6.6 km to the top
Start grid ref SH 729 714 · Driving directions · By bus or train

Download the Bwlch y Ddeufaen via Drum and northern ridge 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.

Bwlch y Ddeufaen via Drum and northern ridge 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 km422 m+23 m2%SH 720 715
2 km460 m+38 m4%SH 711 717
3 km624 m+164 m16%SH 705 710
4 km689 m+65 m7%SH 707 701
5 km724 m+35 m3%SH 707 691
6 km850 m+126 m13%SH 701 683
6.6 km934 m+85 m14%SH 696 681

How long the Bwlch y Ddeufaen via Drum and northern ridge takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up1h 55m3h 0m
Steady (Naismith) 5 km/h, 10 min per 100 m up2h 20m3h 40m
Relaxed 4 km/h, 12 min per 100 m up2h 50m4h 30m

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 18:13. Start by 13:33 to be down before dark, allowing 3h 40m for the walk and an hour for stops.
  • Tomorrow: sunrise 07:49, sunset 18:11. Start by 13:31 to be down before dark, allowing 3h 40m for the walk and an hour for stops.

Foel-fras summit weather for this route

  • Good Today Sunday 18 October

    Overcast, up to 4°C at the summit, feeling as cold as -4°C, summit wind 24 mph gusting 30 mph, 21% chance of rain. Rated Good. Sunrise 07:48, sunset 18:13.

  • Marginal Tomorrow Monday 19 October

    Moderate drizzle, up to 6°C at the summit, feeling as cold as -2°C, summit wind 31 mph gusting 39 mph, 73% chance of rain. Rated Marginal. Sunrise 07:49, sunset 18:11.

Best day of the next seven for the Bwlch y Ddeufaen via Drum and northern ridge: Sunday 18 October, with summit gusts around 30 mph and a 21% chance of rain.

Cloud inversion tomorrow morning: 3% (Low), best around 09:00. 7-day inversion outlook.

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

Before you go, also check: MWIS Snowdonia forecast · Met Office mountain forecast.

What to take today

  • An insulated jacket, hat and warm gloves: it feels like -4°C on top.
  • A waterproof jacket. It can rain on the tops in any forecast.
  • 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 Foel-fras

Foel-fras is the northern end of the Welsh 3000s, a grassy summit on the northern Carneddau ridge with a wall running across its top. More about Foel-fras, with the live forecast.

On the lists: Furth, Hewitt, Nuttall.

Extend the walk: tops near the summit

Challenges that include Foel-fras

More walks from Bwlch y Ddeufaen mapped track junction

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

Other routes up Foel-fras

RouteDistanceAscentTime upGrade
Bwlch y Ddeufaen via Drum5.1 km one way565 m2h 0mModerate
Rachub via Drosgl and Yr Aryg flanks, via Bera Bach8.6 km one way670 m2h 50mHard
Llanfairfechan via Drum and northern ridge7.2 km one way770 m2h 45mHard
Abergwyngregyn via Drum via Drum and northern ridge6.8 km one way720 m2h 35mHard
Abergwyngregyn via Llyn Anafon6.3 km one way740 m2h 30mHard

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 729 714, the summit at SH696681), 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.

Bwlch y Ddeufaen via Drum and northern ridge: questions and answers

How far is the Bwlch y Ddeufaen via Drum and northern ridge?

The Bwlch y Ddeufaen via Drum and northern ridge is 6.6 km one way to the summit of Foel-fras, with 600 m of ascent. There and back by the same way is about 13.2 km.

How long does the Bwlch y Ddeufaen via Drum and northern ridge take?

About 2h 20m to the summit of Foel-fras 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 30m for the round trip.

How steep is the Bwlch y Ddeufaen via Drum and northern ridge?

The steepest 500 m averages about 22%, starting 5.5 km from the start, and 9% of the way is steeper than 1 in 5. The Bwlch y Ddeufaen via Drum and northern ridge climbs 580 m in all on the track.

Where do you park for the Bwlch y Ddeufaen via Drum and northern ridge?

The Bwlch y Ddeufaen via Drum and northern ridge starts from Bwlch y Ddeufaen mapped track junction (postcode LL32 8UR). The grid reference is SH 729 714. Bwlch y Ddeufaen eastern road-end car park (SH720715); the postcode is approximate

Is the Bwlch y Ddeufaen via Drum and northern ridge suitable for beginners?

Not as a first mountain. Peakify grades it Hard: steep, rough ground where a slip matters. Build up on an easier route first, such as Bwlch y Ddeufaen via Drum.

What time should I start the Bwlch y Ddeufaen via Drum and northern ridge today?

By 13:33 at the latest. Sunset on Foel-fras today is 18:13, The Bwlch y Ddeufaen via Drum and northern ridge 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 the Bwlch y Ddeufaen via Drum and northern ridge?

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.