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Llyn Du – Llyn Mawr loop from Dwyriw

Routes

Hiking trails & Routes

Llyn Du – Llyn Mawr loop from Dwyriw

Moderate

hikers

Llyn Du – Llyn Mawr loop from Dwyriw

04:13

15.3km

250m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Last updated: May 16, 2026

Waypoints

Start point

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5.03 km

Waun y Llyn Upland Track

Highlight (Segment) • Viewpoint

This rugged gravel track crosses from the Rhiw to the Carno Valley. To the north, you'll enjoy views of Garreg-hir, a summit rising to 1,588 ft (484 m).

Tip by

6.55 km

Nant y Llyn Mawr Ford

Highlight • River

Here, you'll cycle over a small ford that is part of Nant y Llyn Mawr, a tributary of the River Rhiw. This stony track will lead you north towards the Rhiw, a small river meaning 'slope'.

Tip by

9.13 km

Llyn Du

Highlight • Lake

9.75 km

Llyn Mawr

Highlight • Natural Monument

The centerpiece of the Llyn Mawr Nature Reserve is the upland lake known as Llyn Mawr, which means 'big lake' in Welsh. It supports a diverse array of aquatic plants …

Tip by

9.75 km

Tip by

15.3 km

End point

Way Types & Surfaces

Way Types

9.58 km

5.65 km

< 100 m

Surfaces

9.99 km

4.26 km

984 m

< 100 m

Elevation

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

Highest point (440 m)

Lowest point (240 m)

Weather

Tuesday 14 July

27°C

13°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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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Llyn Du – Llyn Mawr loop from Dwyriw

Waun y Llyn Upland Track

Nant y Llyn Mawr Ford

Llyn Du

Llyn Mawr

Boardwalk to Llyn Mawr

Llyn Mawr

Mynydd Glogau Gravel Track

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