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Cregennan Lakes and the Mawddach Trail loop from Barmouth

Cregennan Lakes and the Mawddach Trail loop from Barmouth

Hard

4.0

(1)

14

riders

Cregennan Lakes and the Mawddach Trail loop from Barmouth

03:49

39.9km

990m

Gravel riding

Embark on a challenging gravel biking adventure with the Cregennan Lakes and Mawddach Trail loop from Barmouth. This difficult route spans 24.8 miles (39.9 km) and features a significant 3247 feet (990 metres) of elevation gain, typically taking around 3 hours and 48 minutes to complete. You will experience a…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Parking

1

1.20 km

Barmouth Bridge (Mawddach Railway Viaduct)

Highlight • Monument

Grade 2 listed single track wooden railway viaduct with wood cycle path next to the train line. Fantastic views across the Afon Mawddach Estuary.

Tip by

2

7.90 km

Cregennan Lakes

Highlight • Lake

These twin lakes are particularly beautiful and lie just north of Cadair Idris. Both are owned by the National Trust and are free to visit. With mountains rising around them …

Tip by

3

9.79 km

NCN 82 Gravel Trail on Cadair Idris Flank

Highlight (Segment) • Trail

This is a hilly section of the NCN 82 and the ascent over the flank of Cadair Idris is not only tough but rough too. It is a gravelly pretty …

Tip by

4

11.9 km

View of Barmouth and the Mawddach Estuary

Highlight • Trail

The path may be tough going but the views from here over to Barmouth and the Mawddach estuary are simply beautiful whichever way you are going.

Tip by

5

29.0 km

View of Llwyngwril and Cardigan Bay

Highlight (Segment) • Climb

Choose a fine day :) to enjoy the views at their best.
The climb to get here out of Llwyngwril is pretty steep but it's well worth it once you're …

Tip by

B

39.9 km

End point

Parking

Way Types & Surfaces

Way Types

19.0 km

11.1 km

3.50 km

3.41 km

1.70 km

936 m

243 m

Surfaces

12.7 km

12.6 km

10.9 km

3.41 km

313 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 (400 m)

Lowest point (undefined)

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Weather

Powered by Foreca

Wednesday 14 October

17°C

11°C

93 %

Additional weather tips

Max wind speed: 28.0 km/h

to get more detailed weather forecasts along your route

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