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Running trails & routes

Nant Gwrtheyrn Quarry Remnants – Yr Eifl Summit loop from Trefor

Running trails & routes

Nant Gwrtheyrn Quarry Remnants – Yr Eifl Summit loop from Trefor

Hard

14

runners

Nant Gwrtheyrn Quarry Remnants – Yr Eifl Summit loop from Trefor

01:58

13.1km

840m

Running

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required. The starting point of the route is right next to a parking lot.

Last updated: September 2, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Tirwedd Cenedlaethol Llŷn

Waypoints

A

Start point

Parking

1

3.57 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 …

Tip by

2

4.93 km

Llŷn Heritage Centre

Highlight • Monument

3

4.99 km

View of Llŷn Peninsula Coast

Highlight • Natural Monument

4

5.00 km

Nant Gwrtheyrn Café

Highlight • Cafe

5

5.17 km

Path to the Beach in Tirwedd Cenedlaethol Llŷn

Highlight • Viewpoint

6

5.44 km

Nant Gwrtheyrn Quarry Remnants

Highlight (Segment) • Viewpoint

The mine here opened in 1861 and the area was extensively quarried until the Second World War. There are plenty of remnants of this industrial past embedded into the landscape, …

Tip by

7

10.4 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

8

12.0 km

View of Llŷn Peninsula Coast

Highlight • Viewpoint

B

13.1 km

End point

Parking

Way Types & Surfaces

Way Types

6.08 km

2.46 km

1.40 km

1.34 km

1.19 km

673 m

Surfaces

6.54 km

3.48 km

1.19 km

465 m

431 m

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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)

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Weather

Powered by Foreca

Today

Tuesday 13 October

18°C

11°C

16 %

Additional weather tips

Max wind speed: 37.0 km/h

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