4.6
(282)
3,549
riders
5
rides
No traffic touring cycling routes around Llanddeiniolen offer diverse landscapes for cyclists. The region is characterized by its proximity to Eryri (Snowdonia) National Park, featuring mountainous terrain, disused railway lines, and coastal paths along the Menai Strait. Cyclists can explore areas with significant elevation changes, such as those near former slate quarries, or enjoy more gentle routes. This area provides a variety of quiet bike trails suitable for different fitness levels.
Last updated: May 10, 2026
49
riders
22.5km
01:56
580m
590m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
76.0km
05:50
1,390m
1,390m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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10
riders
22.0km
01:33
360m
360m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
6.88km
00:26
70m
70m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
3
riders
19.8km
01:14
200m
200m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Llanddeiniolen
The visitor centre is located on the A5, approximately 5 miles south of Bethesda and approximately 4 miles west of Capel Curig, on the western side of Llyn Ogwen. There are a number of facilities including toilets, disabled toilets, an information room, public wifi and a small kiosk selling hot and cold snacks. From the visitor centre you can start a range of walks and climbs in the area. The most popular is the walk to Wales' first ever national nature reserve, the beautiful Cwm Idwal, a glacial lake with a mountainous backdrop. (Cwm Idwal National Nature Reserve)
11
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Great fun for the kids. Can be cold at times but not very long so you're soon out into the sun.
0
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Nothing especially tricky or difficult, as long as you have vaguely "gravel" tyres you'll be fine. Stunning views along the way, I prefer the heading west views but it is pretty both ways.
0
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Good place for start and end of the hike. Has toilets and coffee / pastries. Also sells warm hats.
1
0
Beautiful quiet lanes with a fantastic view over Bethesda and the mountains
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There are 5 dedicated traffic-free touring cycling routes around Llanddeiniolen, catering to various skill levels. You'll find options ranging from easy, leisurely rides to more challenging, difficult routes.
Yes, for an easy and scenic ride, consider the View Across the Strait loop from Bethel. This route offers gentle terrain and beautiful vistas, perfect for a relaxed outing.
The routes around Llanddeiniolen offer diverse terrain. While focusing on traffic-free paths, you can expect a mix of quiet country lanes, dedicated cycle paths (including sections of disused railway lines like the 'Lonydd Glas' recreational routes), and some routes that venture into more undulating or mountainous areas, particularly those closer to Eryri (Snowdonia) National Park. For example, the Llanberis Lake Railway – Llanberis Tunnel loop from Deiniolen includes significant elevation changes.
Yes, all the routes featured in this guide are circular, allowing you to start and end your ride in the same location. For instance, the Coed Rhydau – Dinas Dinorwig Hillfort loop from Pentir is a moderate circular option.
Many routes offer stunning views and access to natural beauty. You might encounter features like the Menai Strait, the dramatic landscapes near Eryri (Snowdonia) National Park, and historical sites. For example, the Penrhyn Quarry – Waterfalls on the River Ogwen loop from Llanberis takes you past the historic Penrhyn Quarry and offers views of waterfalls. You can also explore nearby attractions like Caernarfon Castle or the Dolbadarn Castle.
The komoot community highly rates the touring cycling experience around Llanddeiniolen, with an average score of 4.54 out of 5 stars from 277 ratings. Reviewers often praise the peacefulness of the traffic-free paths, the stunning Welsh scenery, and the variety of routes available for different fitness levels.
Absolutely. The region is rich in history. While cycling, you might pass by or have views of significant landmarks. For instance, the area is close to the UNESCO World Heritage Slate Landscape of North West Wales, including sites like the former Dinorwic Slate Quarry. Nearby attractions also include Caernarfon Castle and Segontium Roman Fort, which can be incorporated into your cycling adventures.
The longest route featured is the Llyn Geirionydd – Snowdonia Slate Trail Byway loop from Llanberis, which covers approximately 76 kilometers (47 miles) and is rated as difficult due to its length and elevation gain.
Yes, given Llanddeiniolen's proximity to Eryri (Snowdonia) National Park, many routes offer spectacular mountain views. While the routes themselves might not go directly to the highest summits, you'll often have panoramic vistas of peaks like Snowdon Summit (Yr Wyddfa), Glyder Fawr, and Tryfan Summit from various points along the trails.
Yes, the Penrhyn Quarry – Waterfalls on the River Ogwen loop from Llanberis specifically highlights waterfalls on the River Ogwen, offering a refreshing natural spectacle during your ride.
Llanddeiniolen and the surrounding areas have some public transport links, particularly to larger towns like Llanberis and Caernarfon, which serve as starting points for several routes. It's advisable to check local bus schedules for specific route access, especially if you plan to use public transport to reach the start of a trail.


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