Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn up Foel Hafod-fynydd: route map, distance and time

689 m · Bala to Welshpool

A hard mountain walk to the summit from Cwm Cywarch signed walkers' car park, over other tops on the way.

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn starts at about 145 m and gains 819 m over 8.2 km to 667 m on the track. It is steep from the start: the first kilometre climbs 161 m (16%). The steepest kilometre is the one ending at 2 km, which climbs 259 m at an average of 26%, with a 500 m stretch from 1 km at about 32%. The final 0.2 km eases to the top. About 23% of the way is steeper than 1 in 5, so expect hands-on-knees going and a slow descent.

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn at a glance

Distance8.2 km one way, to the top
Climb on the track819 m up, 302 m down on the way
Start and top of the track144 m to 881 m (summit 689 m)
Steepest 500 mAbout 32%, from 1 km
Steeper than 1 in 523% of the way
GradeHard
StartCwm Cywarch signed walkers' car park, SY20 9JG
Start grid referenceSH 852 188
Summit grid referenceSH 877 227
ParkingCwm Cywarch signed walkers’ car park (SH852188); the postcode is approximate

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn 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 145 m8.2 km to the top
Start grid ref SH 852 188 · Driving directions · By bus or train

Near the start

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

Download the Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn 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.

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn 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 km306 m+161 m16%SH 849 196
2 km565 m+259 m26% steepSH 842 199
3 km613 m+48 m5%SH 848 206
4 km679 m+67 m7%SH 854 213
5 km866 m+186 m19%SH 860 220
6 km836 m-30 m-3%SH 862 228
7 km710 m-126 m-13%SH 868 230
8 km657 m-53 m-5%SH 875 227
8.2 km667 m+10 m4%SH 877 227

How long Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn takes

PaceTo the topThere and back
Brisk 6 km/h, 8 min per 100 m up2h 30m3h 50m
Steady (Naismith) 5 km/h, 10 min per 100 m up3h 0m4h 40m
Relaxed 4 km/h, 12 min per 100 m up3h 40m5h 45m

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.

Foel Hafod-fynydd summit weather for this route

There is no recent summit forecast cached for Foel Hafod-fynydd right now. The main Foel Hafod-fynydd page loads the live forecast when you open it. Open the live Foel Hafod-fynydd forecast.

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

About Foel Hafod-fynydd

More about Foel Hafod-fynydd, with the live forecast.

Challenges that include Foel Hafod-fynydd

More walks from Cwm Cywarch signed walkers' 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 Foel Hafod-fynydd

RouteDistanceAscentTime upGrade
Llanuwchllyn via Aran Benllyn and Bwlch Sirddyn9.0 km one way——Hard

In an emergency

Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 852 188, the summit at SH 877 227), 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.

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn: questions and answers

How far is Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn?

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn is 8.2 km one way to the summit of Foel Hafod-fynydd. There and back by the same way is about 16.4 km.

How steep is Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn?

The steepest 500 m averages about 32%, starting 1 km from the start, and 23% of the way is steeper than 1 in 5. Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn climbs 819 m in all on the track.

Where do you park for Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn?

Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn starts from Cwm Cywarch signed walkers' car park (postcode SY20 9JG). The grid reference is SH 852 188. Cwm Cywarch signed walkers’ car park (SH852188); the postcode is approximate

Is Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn 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.

Is there a GPX for Cwm Cywarch via Aran Fawddwy and Bwlch Sirddyn?

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.