4.6
(48)
3,290
riders
145
rides
Road cycling around Bontnewydd, located in the Gwynedd region of Wales, offers diverse landscapes for cyclists. The area is characterized by its proximity to Snowdonia National Park, featuring significant elevation gains and mountain views. Routes often traverse mostly paved surfaces, providing access to lakes, valleys, and historic sites. The region's varied terrain includes options from coastal areas to the foothills of larger mountains.
Last updated: July 8, 2026
5.0
(2)
204
riders
74.7km
03:40
910m
910m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
99
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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31
riders
56.6km
02:55
910m
910m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
24
riders
15.4km
00:48
120m
110m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5.0
(1)
20
riders
35.9km
01:34
280m
280m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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If on road bike's gatorskins can handle the gravel and grit
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Nice steady climb from the Beddgelert side, kicks up in a couple of sections but nothing too stressful. Well worth a visit
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Great piece of road with dramatic views, a speedy descent toward Llanberis
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Segontium Romon Fort is an impressive excavated fortification located just outside Caernarfon. It was founded by Agricola in AD77, and it was garrisoned for over three hundred years. It was the longest-held Roman fort in Wales and used to hold a 'cohors milliaria,' a regiment of about 1,000 auxiliary infantry, mainly recruited from Belgium and Germany. It was linked by Roman roads to the main legionary bases at Chester and Caerleon by a series of marching camps and other forts.
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the climb up to pen y pass affords lovely views of Snowdon and crib goch if the weather is right 😎
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Great road surface great climb one of the greatest climbs I've been on. Fast descent worth the views
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Always a pleasure to ride around this area with the castle as a back drop.
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The road cycling routes around Bontnewydd primarily feature mostly paved surfaces, making them ideal for road bikes. You'll encounter diverse landscapes, from coastal areas to the foothills of Snowdonia National Park, offering a mix of flat sections and significant elevation gains.
Yes, Bontnewydd is an excellent base for challenging road cycling. Many routes feature substantial elevation gains, with some reaching up to 3,000 feet. For instance, the Brailsford Way loop from Caernarfon is a difficult 46.4-mile route with over 2,900 feet of climbing. The region also offers access to climbs like the Marchlyn Mawr, known as the highest road attainable by road bike in Wales.
Road cycling routes around Bontnewydd often pass by significant historical sites and natural beauty. You can cycle past the historic Caernarfon Castle, a UNESCO World Heritage site, as seen on the Caernarfon Castle – Nant Peris Valley loop. Other notable attractions include Segontium Roman Fort, and natural features like Llyn Padarn and the dramatic landscapes of Snowdonia National Park, offering views of peaks like Mynydd Mawr summit.
Absolutely. The region offers numerous easy routes, with over 50 easy tours available. The Lonydd Glas network in Gwynedd provides over 31 miles of safe, traffic-free, and relatively flat paths, often along disused railway lines, which are perfect for families or those seeking a relaxed ride. An example of an easy route is the View of Caernarfon Castle loop, which is just under 10 miles.
The best time for road cycling around Bontnewydd is generally during the spring, summer, and early autumn months (April to October). During these periods, the weather is typically milder and drier, offering more pleasant conditions for exploring the diverse landscapes and enjoying the mountain and coastal views. Always check local weather forecasts before heading out, as conditions in mountainous regions can change quickly.
There are over 150 road cycling routes available around Bontnewydd on komoot, catering to various skill levels. This includes more than 50 easy routes, 80 moderate routes, and 14 difficult routes, ensuring options for every type of cyclist.
The road cycling routes around Bontnewydd are highly regarded by the komoot community, holding an average rating of 4.6 stars from over 40 reviews. Cyclists frequently praise the stunning mountain views, the historic castles, and the scenic valleys that define the region's routes, highlighting the variety of terrain and the well-maintained paved surfaces.
Yes, many of the road cycling routes around Bontnewydd are designed as circular loops, allowing you to start and finish in the same location. Examples include the Drws y Coed from Caernarfon loop and the Caernarfon Castle – Nant Peris Valley loop, offering convenient options for exploration.
While specific parking areas for cyclists in Bontnewydd aren't detailed, many routes start from nearby towns like Caernarfon, which typically offer public car parks. When planning your route, check the starting point for available parking facilities. It's advisable to look for designated parking areas to ensure the safety of your vehicle.
Public transport options for cyclists in the Gwynedd region can vary. While some bus services may accommodate bikes, it's best to check with local operators like Arriva Buses Wales or Traveline Cymru for specific routes and their bike carriage policies. Trains to nearby stations might also be an option, but space for bikes is often limited and requires booking in advance, especially during peak times.
Yes, many road cycling routes in the Bontnewydd area pass through or near villages and towns where you can find cafes and pubs. Towns like Caernarfon and Llanberis, which are often starting points or points of interest on routes, offer various options for refreshments. It's a good idea to plan your stops in advance, especially on longer routes, to ensure you have places to refuel.
The region around Bontnewydd is rich in scenic viewpoints. Many routes offer panoramic vistas of Anglesey, the Irish Sea, and the impressive peaks of Snowdonia National Park, including views towards Yr Wyddfa (Snowdon). Specific highlights like Newborough National Nature Reserve and Forest and Y Garn Summit (Nantlle Ridge) provide stunning perspectives of the diverse landscape, from coastal scenery to dramatic mountain ranges.


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