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Hiking trails & Routes

Tre'r Ceiri & Yr Eifl / Garn Canol from Llithfaen — Llŷn

Routes

Hiking trails & Routes

Tre'r Ceiri & Yr Eifl / Garn Canol from Llithfaen — Llŷn

Moderate

4.8

(41)

224

hikers

Tre'r Ceiri & Yr Eifl / Garn Canol from Llithfaen — Llŷn

02:10

6.54km

290m

Hiking

Embark on a rewarding hike on the Llŷn Peninsula with the Tre'r Ceiri & Yr Eifl / Garn Canol from Llithfaen — Llŷn trail. This moderate route covers 4.1 miles (6.5 km) with an elevation gain of 957 feet (292 metres), typically taking around 2 hours and 9 minutes to…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

AHNE Llŷn

Waypoints

Start point

Parking

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12 m

Yr Eifl Miners' Memorial Stones

Highlight • Monument

These grand stones at the Yr Eifl car park are a memorial to the miners who quarried here in the 19th century. This area has a huge industrial history and …

Tip by

2.69 km

Tre'r Ceiri Hillfort

Highlight • Historical Site

Tre'r Ceiri is a truly spectacular hillfort dating back to the Iron Age. In English the name means 'town of the giants.' A giant of a hillfort it is too …

Tip by

3.93 km

Yr Eifl Summit

Highlight • Natural Monument

It’s a fact that proximity to the sea makes a peak feel higher. Yr Eifl has its ankles in Caernarfon Bay, and from its top Tremadog Bay on the other …

Tip by

6.54 km

End point

Parking

Way Types & Surfaces

Way Types

4.12 km

1.58 km

764 m

< 100 m

Surfaces

3.84 km

1.58 km

764 m

< 100 m

Elevation

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

Weather

Wednesday 22 July

22°C

14°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Comments

March 6, 2025,Yr Eifl and Tre'Ceiri Fort

Great views, some scrambling over lose stones
Walk clock wise to make it easier

August 26, 2021,Walk up Yr Eifl, Mynydd Gwaith and Tre'r Ceiri from Llithfaen

Absolutely, if the parking around Pen y pass is anything to go by Snowdon would have been unbelievably busy 😢 I believe Moel Siabod has amazing views so that is next on the list but might be next year now. As we were on the peninsula we thought it would be rude not to do these 3 peaks and the …

September 23, 2023,Yr Eifl, Llyn Peninsula

The climb to Yr Eifl is very(!) difficult, actually more climbing over 1km and very steep (sometimes a 25% gradient over large scree, on the left the abyss is still quite gentle with heather, requires sure-footedness and concentration, even on the descent or if you have to The route runs the other way around, not recommended in or after rain, …

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Tre'r Ceiri & Yr Eifl / Garn Canol from Llithfaen — Llŷn

Yr Eifl Miners' Memorial Stones

Tre'r Ceiri Hillfort

Yr Eifl Summit

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