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An image depicting the trail Snowdonia Slate Trail and its surrounding area.
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Snowdonia Slate Trail

Gwynedd, Wales

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Trail length

145.9 km

Time

~9 days

Elevation Gain

4046 m

Hike Type

Multi-Day

“Embark on the Snowdonia Slate Trail, a tapestry of Welsh heritage and scenic splendor.”

What to expect?

bridges
waterfalls
rivers
lakes
scenic-views

Activity types

historical-sites
camping
nature-trips

Surfaces

info

Unknown

99% · 144.7km

Asphalt

0.3% · 0.43km

Gravel

0.2% · 0.23km

Dirt

0.2% · 0.21km

Unpaved

0.1% · 0.09km

Frequently asked questions

How long does it take to hike the Snowdonia Slate Trail?

The Snowdonia Slate Trail is a 145.93 km multi-day route, so most hikers split it across about a week on the ground. A common benchmark for the route is seven days, which works out to roughly 20 to 21 km per day, though the 4,046 m of climbing can make some stages feel longer than the mileage suggests.

Where does the Snowdonia Slate Trail start and finish?

The Snowdonia Slate Trail is a circuit in Gwynedd, so it can be walked from several access points, but Bangor and Porth Penrhyn are commonly used starting points. The route links major slate landscape locations including Bethesda, Llanberis, the Nantlle Valley, Beddgelert, Llan Ffestiniog, Betws-y-Coed, and Penmachno before closing the loop.

Is the Snowdonia Slate Trail a loop trail or a point-to-point walk?

The Snowdonia Slate Trail is a loop, not a one-way crossing. That makes logistics simpler than many long-distance walks because the route circles through the slate landscapes of Gwynedd and returns to the wider Bangor area rather than finishing far from the start.

How difficult is the Snowdonia Slate Trail?

The Snowdonia Slate Trail is generally rated medium, but it is still a serious long-distance walk at 145.93 km with 4,046 m of total ascent. The challenge comes less from technical ground and more from the cumulative distance, repeated climbs, and the need to manage several full days of walking through upland terrain in North Wales.

What towns and landmarks does the Snowdonia Slate Trail pass through?

The Snowdonia Slate Trail is built around the historic slate landscapes of Gwynedd and passes through or links places such as Bangor, Bethesda, Llanberis, Beddgelert, Llan Ffestiniog, Betws-y-Coed, and Penmachno. Key slate heritage highlights associated with the route include Penrhyn Quarry, the National Slate Museum, and landscapes within the UNESCO Slate Landscape of Northwest Wales.

Can the Snowdonia Slate Trail be done in sections?

Yes. Although the full Snowdonia Slate Trail is 145.93 km, it is widely described as a route that can be completed either as a continuous multi-day hike or in shorter sections. That makes it practical for walkers who want to break the trail into day hikes around places like Bangor, Bethesda, Llanberis, or Beddgelert.

Is the Snowdonia Slate Trail good for history as well as scenery?

Yes. The Snowdonia Slate Trail is unusual because it combines a substantial long-distance hike with North Wales industrial heritage, tracing the quarrying landscapes that helped define Gwynedd. The route passes through the UNESCO-recognized slate landscape and connects quarry communities, working and former quarry areas, and museum sites as well as mountain and valley scenery.

Comments and Reviews

User comments, reviews and discussions about the Snowdonia Slate Trail, Wales.

4.79 star

average rating out of 5

96 rating(s)