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Yr Eifl Summit – Tre'r Ceiri Hillfort loop from Llithfaen

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Hiking trails & Routes

Yr Eifl Summit – Tre'r Ceiri Hillfort loop from Llithfaen

Moderate

5.0

(5)

hikers

Yr Eifl Summit – Tre'r Ceiri Hillfort loop from Llithfaen

02:07

6.31km

290m

Hiking

Moderate hike. 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: April 15, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Tirwedd Cenedlaethol Llŷn

Waypoints

Start point

Parking

Get Directions

2.41 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 side of the Llyn Peninsula seems almost as close. As such, this modest mountain has a genuine loftiness, along with three summits and an Iron Age hill fort.

Tip by

3.63 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 and one of the best preserved of all with stunning views across the Llŷn Peninsula.

The settlement is surrounded by stone walls that are amazingly largely intact. Some of these walls are four metres high in places. Inside the fort are the remains of around 150 houses which in days gone by would have had turfed roofs.

A truly amazing place to visit!

Tip by

6.26 km

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 it can be easy to get lost in the landscapes and forget the incredibly tough conditions these men worked in. The stones stand under the watchful gaze of Yr Eifl.

Tip by

6.31 km

End point

Parking

Way Types & Surfaces

Way Types

3.30 km

2.05 km

867 m

101 m

Surfaces

2.76 km

2.05 km

1.40 km

101 m

Elevation

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

Highest point (530 m)

Lowest point (270 m)

Weather

Saturday 4 July

22°C

16°C

12 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

Comments

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Yr Eifl Summit – Tre'r Ceiri Hillfort loop from Llithfaen

Yr Eifl Summit

Tre'r Ceiri Hillfort

Yr Eifl Miners' Memorial Stones

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