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Y Garn to Glyder Fach loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Routes

Hiking trails & Routes

Y Garn to Glyder Fach loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Moderate

4.8

(113)

945

hikers

Y Garn to Glyder Fach loop — Parc Cenedlaethol Eryri | Snowdonia National Park

04:21

9.04km

850m

Hiking

Embark on the Y Garn to Glyder Fach loop for a challenging hike through Snowdonia National Park's dramatic terrain. This moderate route covers 5.6 miles (9.0 km) with a significant elevation gain of 2785 feet (849 metres), typically taking around 4 hours and 21 minutes to complete. You will navigate…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

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67 m

Idwal Gorge

Highlight (Segment) • Gorge

A really quirky canyon taking you into or out of the car park at Cwm Idwal. It is a narrow steep sided little canyon which is very picturesque and only a short walk from the car park.

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2.59 km

Y Garn Summit

Highlight • Summit

Y Garn of the Glyderau is a mountain of two halves. On one side it drops in continuous green slopes to the pass of Llanberis. On its other it’s a …

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4.91 km

Glyder Fawr summit

Highlight • Summit

The summit of Glyder Fawr is magnificent. On a clear day you will see incredible views of Snowdon, Crib Goch and Garnedd Ugain. At 3,284 feet (1,001 m), it is the highest peak in the Glyderau range.

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5.84 km

Lake of the Dogs

Highlight • Natural

Take some time to enjoy the peaceful atmosphere at this small mountain lake Llyn Y Cwn (Welsh for Lake of the Dogs). The peak of Y Garn rises to the …

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6.26 km

Devil's Kitchen (Twll Du)

Highlight • Gorge

After the rest stop at Llyn Y Cwn we descend and pass the Devil's Kitchen (Twll Du) again. The descent is as strenuous as the climb. The path, as far …

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6.75 km

Devil's Kitchen (Twll Du)

Highlight • Natural Monument

Two paths lead from opposite sides of the lake to the top of the ridge near Twll Du (Devil's Kitchen). These paths become quite steep in places and have disappeared …

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7.41 km

Cwm Idwal

Highlight • Lake

A beautiful lake with stunning views to Tryfan and Pen Yr Ole Wen. There is a circular walk from the visitors centre which takes you around the lake or you …

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8.45 km

View of Tryfan

Highlight • Viewpoint

Here you have a great view of Tryfan, a mountain in the Ogwen Valley in Snowdonia. It is part of the Glyderau Group and is one of the most recognisable …

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8.66 km

Idwal River Waterfall

Highlight • Natural Monument

Straight ahead over the bridge is the path to Cwm Idwal, but take time to see the waterfall and rapids on the River Idwal. Very pretty.

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8.81 km

Ogwen Visitor Centre and Snack Bar

Highlight • Parking

The visitor centre is located on the A5, approximately 5 miles south of Bethesda and approximately 4 miles west of Capel Curig, on the western side of Llyn Ogwen.
There …

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9.04 km

End point

Parking

Way Types & Surfaces

Way Types

3.27 km

2.80 km

2.55 km

370 m

< 100 m

Surfaces

4.33 km

1.47 km

1.28 km

1.03 km

< 100 m

Elevation

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

Highest point (970 m)

Lowest point (320 m)

Weather

Tuesday 5 May

11°C

1°C

13 %

Additional weather tips

Max wind speed: 9.0 km/h

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This route was planned by komoot.

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Y Garn to Glyder Fach loop — Parc Cenedlaethol Eryri | Snowdonia National Park

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Trail Reviews

Grace

April 27, 2022, Llyn Idwal – Stunning view of Tryfan Loop from Nant Peris

Solo adventure day 2... Llyn Idwal walk with amazing views across the Ogwen Valley. I was really lucky and had perfect weather with mostly blue skies and barely any wind... I know crazy right! You get great views of Crib Goch on a clear day. Would definitely recommend this walk has a nice little scramble down/up devils kitchen and you can add in extra peaks if you want a longer day. One of my favourite walks and regions and was really quiet 🥰 what a day! Great for a solo adventure and passed another couple of solo female adventurers which was great to chat to them 😊 so happy maybe got a bit happy snappy but I know I may never get weather like that again in Snowdonia 🤣 it's 2.5 moving time but was more like 4 hours... #gracepace enjoying the view!

Bert

August 9, 2023, Llyn Idwal and stunning view from Y Garn - Rondje vanuit Nant Peris

Beautiful but also Challenging tour - first part is like bouldering. Descent rather steep.

Y Garn to Glyder Fach loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Idwal Gorge

Y Garn Summit

Glyder Fawr summit

Lake of the Dogs

Devil's Kitchen (Twll Du)

Devil's Kitchen (Twll Du)

Cwm Idwal

View of Tryfan

Idwal River Waterfall

Ogwen Visitor Centre and Snack Bar

Nearby routes

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