4.8
(77)
1,423
riders
26
rides
Touring cycling around Porthmadog offers routes through diverse landscapes, blending coastal scenery with mountainous terrain. The region is situated on the Glaslyn Estuary, providing access to the Snowdonia National Park and the Llyn Peninsula. This area features a mix of estuaries, coastal paths, and hills, with varied elevation changes suitable for different cycling preferences.
Last updated: May 3, 2026
5.0
(5)
49
riders
52.4km
03:16
500m
500m
Embark on the Beddgelert & Aberglaslyn loop from Porthmadog, a difficult touring bicycle ride through Snowdonia National Park. This challenging 32.5-mile (52.4 km) route features a significant 1651 feet (503…
5.0
(4)
34
riders
Embark on a challenging touring cycling adventure with the Pont Briwet & Harlech Castle loop from Porthmadog. This difficult 20.9 miles (33.6 km) route takes you through Eryri / Snowdonia…

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5.0
(1)
21
riders
28.0km
01:50
340m
340m
Embark on the Criccieth loop from Porthmadog for a scenic and varied touring bicycle ride, blending coastal charm with glimpses of the mountainous interior of Eryri / Snowdonia National Park.…
4.9
(7)
87
riders
75.9km
04:38
660m
660m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
20
riders
59.6km
04:01
870m
870m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Beddgelert is a lovely village below Moel Hebog, and the bridge over the river is a key feature.
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When in Beddgelert make sure to stop at Glaslyn cafe.
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The Lôn Las Menai & Lôn Eifion cycleway follows an old railway trail from Caernarfon to Bryncir. If you decide to ride the whole route, it's 16.6 miles (27 km).
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a great castle to explore with views over the se and the Llyn peninsula. It has an informative video that explains its history and then a walk across the bridge that leads you through the fortifications. you can then explore all the rooms that have exhibits of the castles history within them. to finish off you can climb the tower to see the view. Great for kids as there is a park next to it and a cafe across the bridge to keep everyone happy. Parking is available on site but it is a small carpark.
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The bridge is dated back as early as the 12 century, and had undergone many facelifts over the centuries. River Glaslyn flows underneath.
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Beddgelert is a tremendously picturesque village, nestled beneath the southern end of the Yr Wyddfa (Snowdon) massif at the confluence of the Rivers Glaslyn and Colwyn. Its gorgeous location, charming train line and excellent trails make it a very popular stop off. Yr Wyddfa's quieter southern flanks can be accessed from the village but Beddgelert is more often associated with the Moel Hebog range to the west, where there are some wonderful trails.
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There are over 25 touring cycling routes around Porthmadog, offering a diverse range of experiences. These routes are highly rated by the komoot community, with an average score of 4.9 stars from over 30 reviews.
Yes, Porthmadog offers several easier routes suitable for beginners or those looking for a more relaxed ride. While specific easy routes are not detailed in the top selections, the region's network includes options for various skill levels, often featuring coastal paths and estuary views that are less demanding. The Mawddach Trail, though not directly in Porthmadog, is a well-known traffic-free and relatively flat option nearby, suitable for families.
For experienced cyclists seeking a challenge, Porthmadog provides several difficult routes with significant elevation changes. Notable options include the Beddgelert & Aberglaslyn loop from Porthmadog — Snowdonia National Park, a 32.5-mile route with extensive views, and the Pont Briwet & Harlech Castle loop from Porthmadog — Eryri / Snowdonia National Park, a 20.9-mile path featuring coastal sections and historical landmarks.
While the guide highlights more challenging routes, the Porthmadog area is known for family-friendly cycling. The Mawddach Trail, part of Snowdonia National Park, is a traffic-free and relatively flat route along the Mawddach estuary, making it ideal for families. Many local paths also offer accessible, paved surfaces suitable for all skill levels, including those with modified bikes.
Yes, many of the touring cycling routes around Porthmadog are designed as loops, allowing you to start and finish in the same location. Examples include the popular Beddgelert & Aberglaslyn loop and the Criccieth loop, both offering scenic circular journeys.
Porthmadog's touring cycling routes offer breathtaking scenery. You can expect views of the Glaslyn Estuary, the dramatic peaks of Snowdonia National Park like Cnicht Summit and Summit of Moel Hebog, and the coastal beauty of the Llyn Peninsula. The Aberglaslyn Pass and the Glaslyn River Gorge are also notable natural features you might encounter.
While specific routes may not pass directly by all waterfalls, the region around Porthmadog is home to several. You might find opportunities to visit or see waterfalls such as the Rhosydd Quarry — Ruins and Waterfall or other cascades within Parc Cenedlaethol Eryri (Snowdonia National Park) during your cycling adventures.
The Porthmadog area is rich in history. Cycling routes often provide views of or access to significant landmarks. For instance, the Pont Briwet & Harlech Castle loop offers views towards Harlech Castle. Other nearby attractions include the Ffestiniog & Welsh Highland Railways, Portmeirion Village, and Criccieth Castle, which can be incorporated into your cycling plans.
The best time for touring cycling in Porthmadog is generally from spring through autumn (April to October) when the weather is milder and more predictable. This period offers pleasant temperatures and less rainfall, making for more enjoyable rides through the coastal and mountainous landscapes. However, some routes are accessible year-round, weather permitting.
Porthmadog is served by public transport, including local bus services and the Ffestiniog & Welsh Highland Railways, which can help you access various points in the region. Some train lines, like the one followed by the Porthmadog to Harlech route, allow cyclists to take a train back, offering flexibility for longer or more challenging rides.
Porthmadog town itself offers various amenities, including cafes, shops, and potentially bike hire services. Many routes pass through or near villages and towns where you can find refreshments. It's advisable to check specific route details or local directories for cafes and bike hire options along your chosen path.
Porthmadog and its surrounding areas offer various parking options. You can typically find public car parks in the town center or at popular starting points for trails. For routes venturing into Snowdonia National Park, designated parking areas are often available, though it's always good to check specific route information for recommended parking spots.
Touring cycling in Porthmadog is unique due to its exceptional blend of coastal beauty and dramatic mountain scenery. Nestled on the Glaslyn Estuary and bordering Snowdonia National Park, it offers routes that traverse sandy beaches like Black Rock Sands, picturesque estuaries, and challenging mountain passes. This diverse landscape, combined with historical attractions and charming villages, provides a cycling experience that truly captures the essence of North Wales.


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