Mawddach Trail & Cregennan Lakes loop from Barmouth — Snowdonia National Park

Bike touring routes & trails

Mawddach Trail & Cregennan Lakes loop from Barmouth — Snowdonia National Park

Moderate

4.9

(36)

232

riders

Mawddach Trail & Cregennan Lakes loop from Barmouth — Snowdonia National Park

02:19

33.3km

430m

Cycling

The Mawddach Trail & Cregennan Lakes loop from Barmouth offers a diverse touring cycling experience, combining flat estuary paths with challenging mountain climbs. You will cycle 20.7 miles (33.3 km) with a total elevation gain of 1418 feet (432 metres), making it a moderate ride that typically takes around 2…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri / Snowdonia National Park

Waypoints

Start point

Train Station

Get Directions

974 m

Barmouth Bridge (Pont Abermaw)

Highlight (Segment) • Cycleway

There are few things more enjoyable on a warm, sunny day than cycling along Barmouth's extraordinary bridge. Half the span is a railway line and the other is a shared …

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4.32 km

Mawddach Estuary Trail

Highlight (Segment) • Viewpoint

Flat and easy largely traffic-free gravel trail winding towards the sea with beautiful views. We did it there and back with lunch in Barmouth. Lots of people cycling with kids and dogs – definitely family friendly.

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11.4 km

The George III Pub and Mawddach Estuary View

Highlight • Bridge

Lovely spot to stop for a pint right on the edge of the Mawddach with a beautiful view of the estuary and the old toll bridge.

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18.6 km

Lake Gwernan

Highlight • Viewpoint

Sitting under the great hulk of Cadair Idris, Lake Gwernan is an eye-catching feature on Route 82 out of Dolgellau. The lake is 12 acres (5 ha) with gorgeous woodlands …

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24.9 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 …

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33.3 km

End point

Train Station

Way Types & Surfaces

Way Types