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Llyn Trawsfynydd Circular
ModerateOff-lead sections

Llyn Trawsfynydd Circular

Trawsfynydd, Gwynedd ·

Quick answer

Llyn Trawsfynydd Circular is a 7.5-mile lakeside and forest walk around a large reservoir near Trawsfynydd, Gwynedd, within Eryri National Park. It follows mostly flat forestry tracks with no known site-specific dog restrictions.

📏

Distance

7.5 miles

Moderate

Difficulty

🐾

Off-lead

Yes

🚧

Stiles

None

🅿️

Parking

Available

About this walk

A long circular walk around the shore of Llyn Trawsfynydd, a large reservoir surrounded by forestry within Eryri National Park, passing the Roman fort remains at Tomen y Mur. Mostly flat, well-surfaced forest tracks and lakeside paths make this a pleasant lower-level alternative to the surrounding mountains.

Terrain

Forest trackLakeside pathQuiet lanes

🅿️ Parking

Car parking near Trawsfynydd village and at points around the lake shore.

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