4.5
(13)
413
riders
32
rides
Touring cycling routes around Tanygrisiau Reservoir navigate a landscape characterized by its industrial heritage and natural beauty within the Snowdonia region. The area features prominent reservoirs, dams, and waterfalls, set amidst a backdrop of rugged hills and valleys. Cycling paths often follow the contours of the terrain, offering varied elevation changes.
Last updated: July 8, 2026
4.0
(1)
22
riders
53.8km
03:51
1,040m
1,040m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
19
riders
12.8km
01:04
360m
360m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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15
riders
30.1km
02:19
700m
700m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
47.6km
03:16
700m
700m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
48.4km
03:06
530m
530m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Prysor Cafe now open most days, nice seating outside overlooking llyn.
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Often referred to as the "gateway to Snowdonia," Betws-y-CoedClick to open side panel for more information is a charming alpine-style village in North Wales that feels like it’s been plucked straight from a Victorian postcard. It’s a place where stone bridges cross bubbling rivers and the air always smells slightly of pine and rain. The Heart of the Village The town itself is centered around a large village green, perfect for a slow stroll or a picnic while watching the world go by. It’s lined with cozy independent shops, outdoor gear stores, and cafes that make it a favorite for both hikers and those looking for a quiet afternoon. Iconic Bridges and Waterfalls Betws-y-Coed is famous for its picturesque crossings and dramatic water features that are just a short walk from the center.
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perfect after a ride from Machynlleth "Canolfan Prysor Centre" with all the usual cafe favourites, good food and friendly staff.
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One of the bigger open road passes on Snowdonia. Pretty straightforward from the Penmachno side, once you've crossed the bridge the climb begins in earnest, then it's steep ramps on and off to the top. The little house at the top of the valley is probably 2/3rds to the top of the climb
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You'll probably be too gassed to look out for it, about 2/3rds the way up to the top of Cwm Penmachno from Lan Ffestiniog, so a good indicator of how far you've come.
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Car park gets full up top so park sensibly park close to next car gives more space for others. Don’t park in front of gate as this is used by farmer Go Below and mountain/cave rescue. More parking available at bottom of hill.
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Small train station in the mountains - slate was once mined here - now a tourist attraction.
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There are over 30 touring cycling routes available around Tanygrisiau Reservoir, offering a variety of experiences for different skill levels.
Yes, Tanygrisiau Reservoir offers a few easy touring cycling routes. While many routes involve varied elevation, you can find options that are less demanding. For example, the area has 3 easy routes, and 14 moderate routes that might suit those looking for a less strenuous ride.
The touring cycling routes around Tanygrisiau Reservoir showcase a unique blend of industrial heritage and natural beauty within Snowdonia. You'll encounter prominent reservoirs, impressive dams like the Stwlan Dam, and picturesque waterfalls such as Cwmorthin Falls and Cynfal Falls, all set against a backdrop of rugged hills and valleys.
Yes, several routes highlight the area's waterfalls. The Betws-y-Coed Village – Cynfal Falls loop from Blaenau Ffestiniog connects a scenic village with Cynfal Falls. Another option is the Cwmorthin Falls – Stwlan Dam loop from Blaenau Ffestiniog, which takes you past Cwmorthin Falls.
The best time for touring cycling around Tanygrisiau Reservoir is generally from late spring to early autumn (May to September) when the weather is milder and daylight hours are longer. However, the Snowdonia region can experience changeable weather, so it's always advisable to check local forecasts before heading out.
Many of the touring cycling routes around Tanygrisiau Reservoir are designed as loops, allowing you to start and finish at the same point. Examples include the View of Hole in the Wall – Stwlan Dam loop from Blaenau Ffestiniog and the Cynfal Falls loop from Blaenau Ffestiniog.
The touring cycling routes in Tanygrisiau Reservoir are highly rated by the komoot community, with an average score of 4.5 stars from over 20 reviews. Cyclists often praise the varied terrain, the stunning views of the reservoirs and dams, and the sense of adventure offered by the routes through Snowdonia's unique landscape.
Beyond the natural beauty of the reservoirs and waterfalls, you can encounter significant landmarks. The View of Hole in the Wall – Stwlan Dam loop from Blaenau Ffestiniog offers views of the impressive Stwlan Dam. For a historical landmark, consider the Harlech Castle loop from Blaenau Ffestiniog, which takes you towards the historic Harlech Castle.
The duration of touring cycling routes around Tanygrisiau Reservoir varies significantly depending on the route's length and difficulty. Shorter, moderate loops like the View of Hole in the Wall – Stwlan Dam loop from Blaenau Ffestiniog can take around 1 hour 4 minutes, while longer, difficult routes such as the Betws-y-Coed Village – Cynfal Falls loop from Blaenau Ffestiniog might take nearly 4 hours.
Yes, for experienced touring cyclists seeking a challenge, there are several difficult routes. The area features 17 difficult routes, including the Betws-y-Coed Village – Cynfal Falls loop from Blaenau Ffestiniog, which spans over 33 miles with significant elevation gain, and the Harlech Castle loop from Blaenau Ffestiniog, offering a substantial ride of over 30 miles.
While specific parking details for each route vary, Tanygrisiau Reservoir and the nearby town of Blaenau Ffestiniog, which serves as a common starting point for many routes, offer parking facilities. It's advisable to check local parking options in Blaenau Ffestiniog or at specific trailheads before your visit.


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