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United Kingdom
Wales
North Wales
Gwynedd
Llangywer

Stac Rhos Summit (630 m) – Y Groes Fagl Summit loop from Foel y Ddinas

Routes
Hiking trails & Routes
United Kingdom
Wales
North Wales
Gwynedd
Llangywer

Stac Rhos Summit (630 m) – Y Groes Fagl Summit loop from Foel y Ddinas

Hard

5.0

(1)

16

hikers

Stac Rhos Summit (630 m) – Y Groes Fagl Summit loop from Foel y Ddinas

05:34

19.4km

480m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 18, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Y Berwyn National Nature Reserve

Waypoints

A

Start point

Parking

Get Directions

1

893 m

View of the Rolling Hills in Parc Cenedlaethol Eryri

Highlight • Climb

Absolutely fantastic views road surface is great climbs take care over cattle grid.
A wonderful experience.

Tip by

2

1.14 km

Hirnant Pass Climb (Rhosygwaliau Side)

Highlight (Segment) • Viewpoint

Just under 2km in length, this climb averages 8% but towards the top ratchets up to well over 10% to maximise the suffering

Tip by

3

4.11 km

Summit of the Black Rocks

Highlight • Summit

4

5.65 km

Pen y Boncyn Trefeilw is a subsidiary summit of Cyrniau Nod in north east Wales. It forms a part of the Berwyn range called the Hirnantau. It has two tops: …

Tip by

5

7.29 km

Stac Rhos Summit (630 m)

Highlight • Natural Monument

Stac Rhos is a top of Pen y Boncyn Trefeilw in north east Wales. It forms a part of the Berwyn range called the Hirnantau. The views from the summit …

Tip by

6

9.51 km

Cefn Gwyntog Summit (615 m)

Highlight • Natural Monument

Cefn Gwyntog is a top of Cyrniau Nod in north east Wales. It forms a part of the Berwyn range known as the Hirnantau. Its summit lies just outside the …

Tip by

12.9 km

Cyrniau Nod

Peak

8

14.1 km

Y Groes Fagl Summit

Highlight • Natural Monument

Y Groes Fagl is a top of Cyrniau Nod in north east Wales. It forms a part of the Berwyn range known as the Hirnantau. Its summit has the Snowdonia …

Tip by

B

19.4 km

End point

Parking

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Way Types & Surfaces

Way Types

10.2 km

6.33 km

2.88 km

Surfaces

16.5 km

2.88 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Sunday 23 August

19°C

4°C

-- %

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Comments

October 9, 2022,Foel Cedig (Ma), 4 Hewitts and a bunch of Nuttalls
Nuttalls round pretty much exactly as per their book. All good except the walk out and back to the pointless Nuttall Cefn Gwyntog
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