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

Routes

Hiking trails & Routes

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

Moderate

5.0

(1)

hikers

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

03:24

9.39km

550m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 11, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tirwedd Cenedlaethol Llŷn

Waypoints

Start point

Bus stop

Get Directions

1.16 km

View of Llŷn Peninsula Coast

Highlight • Viewpoint

1.77 km

Stairs to the Radio Relay Site

Highlight • Trail

2.76 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

4.00 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

5.07 km

Ascent to Tre'r Ceiri Hillfort

Highlight • Historical Site

5.54 km

Trailhead to Tre'r Ceiri Hillfort

Highlight • Viewpoint

small parking bay available

Translated by Google •

Tip by

9.39 km

End point

Bus stop

Way Types & Surfaces

Way Types

3.48 km

2.34 km

1.84 km

1.24 km

298 m

188 m

Surfaces

3.10 km

3.09 km

1.23 km

1.10 km

874 m

Elevation

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

Highest point (540 m)

Lowest point (20 m)

Weather

Saturday 11 July

30°C

17°C

0 %

Additional weather tips

Max wind speed: 19.0 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 Trefor

View of Llŷn Peninsula Coast

Stairs to the Radio Relay Site

Yr Eifl Summit

Tre'r Ceiri Hillfort

Ascent to Tre'r Ceiri Hillfort

Trailhead to Tre'r Ceiri Hillfort

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