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Routes
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United Kingdom
Wales
North Wales
Gwynedd
Penrhyndeudraeth

Llyn Mair – Llyn Tecwyn Uchaf loop from Penrhyndeudraeth

Routes
Running trails & routes
United Kingdom
Wales
North Wales
Gwynedd
Penrhyndeudraeth

Llyn Mair – Llyn Tecwyn Uchaf loop from Penrhyndeudraeth

Hard

4

runners

Llyn Mair – Llyn Tecwyn Uchaf loop from Penrhyndeudraeth

02:23

19.4km

560m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: November 13, 2025

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Tips

Your route passes through protected areas

Please check local regulations for:

Coed Camlyn National Nature Reserve

Ceunant Llennyrch National Nature Reserve

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Train Station

Get Directions

1

6.71 km

Llyn Mair

Lake

2

9.93 km

Ty'n-y-bryn Covert

Forest

3

15.5 km

Llyn Tecwyn Uchaf

Lake

4

18.6 km

Viewpoint

Viewpoint

B

19.4 km

End point

Train Station

Way Types & Surfaces

Way Types

8.38 km

4.03 km

3.42 km

2.95 km

344 m

293 m

Surfaces

7.12 km

6.84 km

2.43 km

1.33 km

1.31 km

397 m

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Elevation

Elevation

Highest point (190 m)

Lowest point (0 m)

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Weather

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Today

Sunday 14 December

11°C

8°C

89 %

If you start your activity now...

Max wind speed: 35.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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