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Road cycling routes
United Kingdom
Wales
North Wales
Gwynedd

Llyn Peris

The best traffic-free bike rides around Llyn Peris

4.6

(38)

2,744

riders

23

rides

Road cycling around Llyn Peris offers routes through a dramatic glacial landscape within Snowdonia National Park. The area is characterized by the lake itself, flanked by mountains and hills, alongside the terraced slopes of the former Dinorwig Slate Quarry. This region provides a mix of well-paved roads and varied terrain, with significant elevation changes suitable for road cyclists seeking challenging ascents and scenic views.

Best no traffic road cycling routes around Llyn Peris

  • The most popular no traffic road cycling…

Last updated: June 29, 2026

24

riders

#1.

View of Llyn Peris – Marchlyn Mawr Reservoir Climb loop from Llanberis

24.9km

01:35

600m

600m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Popular around Llyn Peris

Traffic-free bike rides around Llyn Peris

Traffic-free bike rides around Llyn Peris

Tips from the Community

Henry
June 17, 2026, Old Railway Tunnel

the old railway line is flat and gets you off the main road.

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Mark
May 28, 2025, View of Snowdon

This is a class section, often used by MTB and Road bikers. If you look closer you can see where?

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A great place to watch the sunset

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Nice cafe with indoor and outdoor seating, good coffee and cake

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Always a pleasure to ride around this area with the castle as a back drop.

2

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Gutted it makes me sad to see this

2

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Castell Caernarfon is recognised around the world as one of the greatest buildings of the Middle Ages. This fortress-palace on the banks of the River Seiont is grouped with Edward I’s other castles at Conwy, Beaumaris and Harlech as a World Heritage Site. But for sheer scale and architectural drama Caernarfon stands alone. Here Edward and his military architect Master James of St George erected a castle, town walls and a quay all at the same time. This gigantic building project eventually took 47 years and cost a staggering £25,000. The castle was born out of bitter war with Welsh princes. So of course its immense curtain walls and daunting King’s Gate were designed to withstand assault. But the polygonal towers, eagle statues and multi-coloured masonry sent a more subtle message.

3

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Beautiful quiet lanes with a fantastic view over Bethesda and the mountains

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Frequently Asked Questions

How many no traffic road cycling routes are available around Llyn Peris?

There are over 20 dedicated no traffic road cycling routes around Llyn Peris, offering a variety of distances and challenges. These routes are carefully selected to provide a serene cycling experience away from heavy vehicle traffic.

What are the difficulty levels of the no traffic road cycling routes?

The routes around Llyn Peris cater to various fitness levels. You'll find 4 easy routes perfect for a relaxed ride, 17 moderate routes for those seeking a bit more challenge, and 1 difficult route for experienced cyclists looking for significant ascents and demanding terrain. For example, the View of Llyn Peris – Marchlyn Mawr Reservoir Climb loop is a moderate route with over 600m of elevation gain.

Are there any circular no traffic road cycling routes in the area?

Yes, many of the no traffic road cycling routes around Llyn Peris are circular, allowing you to start and finish at the same point. This makes planning your ride convenient. An example is the Caernarfon Castle – Caernarfon Castle loop, which offers a scenic circular journey.

What kind of attractions or scenic viewpoints can I expect along these routes?

The no traffic routes offer breathtaking views of the glacial landscape, including Llyn Peris itself, and the surrounding mountains like Elidir Fawr. You can also pass by historical sites such as the ruins of Dolbadarn Castle, and the impressive Dinorwig Power Station. The Lodge Dinorwig – Waterfalls on the River Ogwen loop, for instance, takes you past beautiful natural features.

Are there any family-friendly no traffic road cycling options?

While many routes involve elevation, there are easier options suitable for families looking for a quieter ride. These routes often stick to flatter sections or dedicated cycle paths where traffic is minimal or non-existent. Look for routes marked as 'easy' to find the most suitable options for a family outing.

Where can I park my car when starting a no traffic road cycling route?

Llanberis, being a major tourist hub near Llyn Peris, offers several parking facilities. You can typically find parking in or around the village, which serves as a convenient starting point for many of the routes. Always check local signage for parking restrictions and fees.

What is the best time of year to enjoy no traffic road cycling around Llyn Peris?

Spring and autumn generally offer the most pleasant conditions for road cycling, with cooler temperatures and often clearer skies, providing excellent visibility of the dramatic landscape. Summer can also be great, but routes might be busier, especially near Llanberis. Winter cycling is possible but requires appropriate gear and caution due to potentially challenging weather and road conditions.

Are there cafes or pubs near the no traffic road cycling routes for a break?

Yes, the nearby village of Llanberis is well-equipped with amenities for cyclists. You'll find a selection of cafes, including the legendary 'Pete's Eats', and pubs where you can refuel and relax after your ride. These are often located conveniently close to the start and end points of many routes.

What do other road cyclists enjoy most about no traffic road cycling in Llyn Peris?

The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the stunning, dramatic mountain scenery, the challenge of the climbs, and the opportunity to experience Snowdonia's beauty on quiet roads away from traffic. The unique blend of natural beauty and industrial heritage is also frequently highlighted.

Can I reach the Llyn Peris area by public transport with my bike?

Public transport options to the Llyn Peris area, particularly Llanberis, are available. Buses serve the village, and some services may accommodate bicycles, though space can be limited, especially during peak times. It's advisable to check with the specific bus operator in advance regarding their bike carriage policy.

Are there any routes that feature significant climbs or elevation gains?

Absolutely. The Llyn Peris area is known for its challenging terrain. Routes like the View of Llyn Peris – Marchlyn Mawr Reservoir Climb loop feature over 600m of ascent, while others can reach up to 800m, providing a rewarding workout for cyclists seeking substantial elevation gains amidst stunning mountain backdrops.

Most popular routes around Llyn Peris

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