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Llyn Nantlle Uchaf – View of Llyn Nantlle loop from Trum y Ddysgl SSSI

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Llyn Nantlle Uchaf – View of Llyn Nantlle loop from Trum y Ddysgl SSSI

Moderate

runners

Llyn Nantlle Uchaf – View of Llyn Nantlle loop from Trum y Ddysgl SSSI

00:43

6.67km

80m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: August 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Camping Site

Get Directions

366 m

Llyn Nantlle Uchaf is a gorgeous little lake in the tranquil Nantlle Valley. It used to be one of two lakes here, however the lower lake was drained to protect the slate quarries.

It was the subject of a famous 18th-century painting, 'View of Snowdon from Llyn Nantlle' by Richard Wilson, and is also the main setting of the fourth branch of the Mabinogion, Britain's earliest prose stories.

Tip by

2.66 km

View of Snowdon (Yr Wyddfa) Across Llyn Nantlle Uchaf

Highlight • Viewpoint

Nantle Valley is well known for its mountains and ridge. A lot of historic settlements and slate mining. Stunning views of Snowdonia. Road surface is good watch out for sheep moving freely and a couple of cattle grids in this area

Tip by

3.16 km

View of Llyn Nantlle

Highlight • Viewpoint

You are likely to have heard of the Nantlle (pronounced Nant-lee) Ridge, a sinuous and wonderful traverse of medium-sized peaks to the south west of the Snowdon Massif. The ridge is named after this little village to the north west, which has its own little llyn (lake) and a proud slate mining heritage.

The Nantlle Valley is beautifully secluded and undoubtedly scenic. It's thought that around 85% of its population still speak Welsh as their first language. Accommodation can be sought at Trigonos B&B.

Tip by

6.67 km

End point

Camping Site

Way Types & Surfaces

Way Types

3.46 km

1.71 km

1.41 km

< 100 m

Surfaces

3.46 km

1.41 km

1.37 km

203 m

Elevation

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

Weather

Thursday 27 August

19°C

15°C

74 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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Llyn Nantlle Uchaf – View of Llyn Nantlle loop from Trum y Ddysgl SSSI

Ford to Ford

Gravel Slate Trail