image for Town Trail item typeSouth Snowdonia Greenway

Llyn Trawsfynydd Lake

Llyn Trawsfynydd Lake

Town Trail, free entry


Jacky O'Hanlon

01341 430628


LL41 4TA

Also at this Venue


The South Snowdonia Greenway is a 43 kilometre walking and cycling route which makes use of quiet roads and cycle-tracks to journey the open moorland, forests and estuary shores between Llyn Trawsfynydd and Barmouth in Southern Gwynedd.

Following Sustrans Route 82 and then the Mawddach Trail, the Greenway follows an historic route linking North Wales to Dolgellau and the coastal resort of Barmouth.

The section south of Trawsfynydd follows the old turnpike road to Dolgellau, and the eagle-eyed will spot one or two of the old milestones along the way.

However, this old road dips in and out of an even older Roman road, Sarn Helen, coming south from the Tomen y Mur fort near the start of the route. Beyond Dolgellau, the Greenway follows the route of the old railway line, the Mawddach Trail to the coast, finishing across the iconic Barmouth Viaduct.

The area is rich with historical sites, from the ancient Roman fort, through 18th and 19th century railways, copper smelting works and gold mines, to the relatively modern Second World War fortifications close to the coast.

Those seeking adventure will also not be disappointed, as the route links two of the Eryri Centres of Excellence for adventure tourism at Llyn Trawsfynydd and Coed y Brenin. With the chance to try your hand at kayaking, fishing, mountain biking, high-ropes, orienteering and geocaching at these sites, there is plenty to do.

For a hardy few, the Greenway might also make a running challenge; from the start to crossing the railway line in Barmouth is almost exactly a marathon length. To complete the experience, Visitor Centres at both Centres of Excellence offer good quality food and drink, along with plenty of choices for refreshments in Dolgellau and Barmouth.

Section 1: 15km section of Greenway between Llyn Trawsfynydd and Coed y Brenin
Section 2: 12km section of Greenway between Coed y Brenin and Dolgellau
Section 3: 15km section of Greenway between Dolgellau and Barmouth


Free entry


You are accepting third-party cookies. powered by NVG