The best hikes from bus stations around Tanygrisiau Reservior
4.5
(1572)
13,252
hikers
64
hikes
Bus station hiking trails around Tanygrisiau Reservoir are set within Snowdonia National Park, characterized by the rugged Moelwyn mountains and the central Tanygrisiau Reservoir itself. The landscape features remnants of a significant industrial past, including disused slate quarries and historical mining settlements. Fast-flowing rivers and streams, such as the Afon Cwmorthin and Barlwyd river, also contribute to the area's diverse terrain. The region offers a mix of waterside paths and mountain ascents.
Best bus station hiking trails around Tanygrisiau Reservior
- The most popular bus station hiking route is Cwmorthin Slate Mill – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog, a 6.5 miles (10.5 km) trail that takes 3 hours 30 minutes to complete. This route explores the area's industrial heritage and tranquil valley.
- Another top favourite among local hikers is Moelwyn Mawr summit – Cwmorthin Slate Mill loop from Blaenau Ffestiniog, a moderate 4.9 miles (7.9 km) path. This trail offers significant ascents to Moelwyn Mawr with panoramic views.
- Local hikers also love the Ffestiniog Railway Trail – Coed Tŷ-coch Stream loop from Blaenau Ffestiniog, a 5.6 miles (9.1 km) trail leading through varied terrain alongside the historic railway, often completed in about 2 hours 40 minutes.
- Hiking around Tanygrisiau Reservoir is defined by rugged mountains, tranquil reservoir paths, and historical slate quarry landscapes. The network offers options for different ability levels, from easy waterside strolls to challenging mountain climbs.
- The routes in Tanygrisiau Reservoir are highly rated by the komoot community with an average score of 4.5 stars from over 1400 reviews. More than 12000 hikers have used komoot to explore Tanygrisiau Reservoir's varied terrain.
Last updated: June 29, 2026
5.0
(3)
32
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
19
hikers
13.3km
04:04
430m
430m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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3.8
(6)
36
hikers
7.53km
02:43
460m
460m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.0
(2)
12
hikers
5.34km
01:28
90m
90m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
7
hikers
14.5km
04:50
690m
690m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Tips from the Community
Cwmorthin Slate Quarry is an impressive area, a magical hanging industrial valley above Tan y Grisiau that highlights Wales' industrial heritage with its massive works and ruins. It was in operation between 1810 and 1939 and has five different underground levels which were serviced with extensive trackways and machinery. Many of the surface buildings, such as the slate mills, can still be seen. If you are a photographer, this is the place to come in the early summer light or the cold winter mist.
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Rainbows on mountains tend to be a mixed blessing as they are a pretty sure sign that you are about to get wet! However from the photographers point of view they can also signal some great light, with sun mixed in with dark moody clouds. This was the view from near the summit of Cnicht - otherwise sometimes called the Welsh Matterhorn due to its pointy appearance from the village of Croesor. To the right of the picture is Moel Hebog which rises steeply above the pictuesque village of Beddgelert.
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The long abandoned Barracks and Mill buildings of Rhosydd Quarry in the Moelwyn mountains of North Wales on a changeable day last September. A break in the heavy cloud allowed a burst of sunlight through that lit up the shiny slate rubble to make it look a bit like water. The dark buildings stood out against the lower slopes of Foel Ddu.
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The spartan barracks at Rhosydd, a hard place to live and work, not far from the summit of a mountain.
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A fine rocky and in places narrow ridge, and you will often have it all to yourself!
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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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Slate was mined here above and below ground from about 1830. The remote location proved difficult, and a series of financial troubles hampered the quarry. It shut during WW1 and reopened afterwards until finally closing in 1948. At it's peak, this was the second-largest underground slate mine in North Wales. Today you can explore the spoil and some of the old machinery.
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Frequently Asked Questions
How many bus-accessible hiking trails are available around Tanygrisiau Reservoir?
There are over 50 hiking trails around Tanygrisiau Reservoir that are easily accessible from local bus stops, offering a wide range of experiences for all skill levels.
What kind of terrain can I expect on bus-accessible trails near Tanygrisiau Reservoir?
The terrain varies significantly. You can find relatively flat paths around the reservoir's edge, offering tranquil waterside walks. Other routes venture into the rugged Moelwyn Mountains, featuring significant ascents and rocky paths, often exploring the area's industrial heritage with remnants of slate quarries.
Are there easy bus-accessible hikes suitable for beginners or families?
Yes, there are 14 easy bus-accessible routes. A great option is the Cwmorthin Slate Mill – Cwmorthin Slate Quarry loop. This route is relatively short and offers a glimpse into the industrial past without demanding significant elevation gain, making it suitable for families.
Can I explore the region's industrial heritage on bus-accessible hikes?
Absolutely. Many trails directly engage with the area's rich slate quarrying history. For example, the Cwmorthin Slate Mill – Rhosydd Chapel Ruins loop takes you past disused slate quarries and the evocative ruins of Rhosydd Chapel, offering a deep dive into the past.
Are there any bus-accessible routes that feature waterfalls?
Yes, several walks in the area feature dramatic waterfalls, particularly those along the Afon Cwmorthin, which flows into Tanygrisiau Reservoir. While not a specific route listed here, many trails exploring the Cwmorthin Valley will bring you close to these natural features.
Are there any challenging bus-accessible hikes for experienced hikers?
For those seeking a challenge, there are 12 difficult bus-accessible routes. The Cnicht Summit – Rhosydd Chapel Ruins loop offers a substantial ascent and panoramic views, requiring good fitness and sure-footedness.
What do other hikers enjoy most about hiking from bus stations in Tanygrisiau Reservoir?
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the unique combination of rugged mountain scenery, tranquil reservoir views, and the fascinating industrial heritage, all easily accessible via public transport.
Are there circular bus-accessible routes available?
Yes, many of the bus-accessible trails around Tanygrisiau Reservoir are circular, allowing you to start and end your hike at the same bus stop without needing to retrace your steps. Examples include the Moelwyn Mawr summit – Cwmorthin Slate Mill loop and the Ffestiniog Railway Trail – Coed Tŷ-coch Stream loop.
Can I bring my dog on these bus-accessible trails?
Most trails in Snowdonia National Park are dog-friendly, but it's crucial to keep dogs on a lead, especially near livestock, wildlife, and in areas with steep drops or industrial ruins. Always follow the Countryside Code.
What are some notable landmarks or points of interest I might see on these bus-accessible hikes?
Beyond the stunning natural beauty of the Moelwyn Mountains and Tanygrisiau Reservoir itself, you'll encounter significant historical landmarks. These include the extensive slate quarry ruins, the poignant Rhosydd Chapel ruins, and sections of the historic Ffestiniog Railway, which adds a unique charm to the landscape.
Are there moderate bus-accessible hikes for a full day out?
Yes, there are 32 moderate bus-accessible routes perfect for a longer day out. The Moelwyn Mawr summit – Cwmorthin Slate Mill loop is a great example, offering a substantial hike with rewarding views and historical interest.
Most popular routes around Tanygrisiau Reservior
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