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Routes
Road cycling routes
United Kingdom
Wales
North Wales
Gwynedd

Llyn Arenig-Fawr

The best road cycling routes around Llyn Arenig-Fawr

4.7

(24)

1,602

riders

50

rides

Road cycling routes around Llyn Arenig-Fawr traverse a mountainous landscape within Snowdonia National Park (Eryri), North Wales. The region features quiet roads, heather-covered moorland, and views of prominent Snowdonia summits. Road cyclists encounter varied terrain, from gentle lakeside paths to challenging ascents with significant elevation gains. The area is characterized by its rugged, rocky composition and the serene Llyn Arenig Fawr reservoir.

Best road cycling routes in Llyn Arenig-Fawr

  • The most popular road cycling route is Bala Lake – Llyn…

Last updated: May 11, 2026

4.8

(5)

153

riders

#1.

Llyn Tegid (Bala Lake) – Llyn Tegid (Lake Bala) loop from Llangywer

27.7km

01:12

180m

180m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

Moderate

72

riders

87.7km

04:47

1,610m

1,610m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Popular around Llyn Arenig-Fawr

Cycling around Llyn Arenig-Fawr

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Tips from the Community

Graham Hind
July 14, 2025, Bala Lake

Great place for a stop--ice cream and coffee!

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Good loop. I rode up out of Llanuwchllyn. But this ride would work very well starting in Bala. The section up around Arenig is great. A few gates to open/close, one farm to go through....but this is a good alternative to the sadly hobbled Bala Loop (Vyrnwy).

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Plenty of drink and eateries

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Denis
March 27, 2025, Stwlan Dam Climb

It's a good climb, it's hard but it's beautiful

Translated by Google

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A 10/10 piece of road starting just after Dolhendre caravan park. The roads are smooth and winding, with some steep but varied gradients. Keep an eye out for the waterfalls and enjoy the descent heading towards Trawsfynydd: just watch out for the gates!

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Winding single track road with a few gates to go through. I would recommend riding this from East to West to get the most fun decending

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No haute cuisine, but coffee and delicious cakes and rustic soups and other dishes. Very good after the strenuous hike.

Translated by Google

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Statue of Thomas Ellis (1859–1899) William Goscombe John (1860–1952) High Street (A494), Bala, Gwynedd

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Frequently Asked Questions

What is the general terrain like for road cycling around Llyn Arenig-Fawr?

The Llyn Arenig-Fawr region, situated within Snowdonia National Park, offers a mountainous landscape with quiet roads. Cyclists will encounter varied terrain, from heather-covered moorland to rugged, rocky areas, and significant elevation changes. The area provides extensive views of prominent Snowdonia summits.

How many road cycling routes are available in the Llyn Arenig-Fawr area?

There are over 50 road cycling routes available around Llyn Arenig-Fawr, catering to various skill levels. These include easy loops around lakes and more demanding climbs through the mountainous terrain.

Are there road cycling routes suitable for beginners in the Llyn Arenig-Fawr area?

Yes, there are several easier options for road cyclists. For instance, the Bala Lake – Llyn Tegid (Bala Lake) loop from Llangywer is an easy 18.9 km route, and the Bala Town Centre – Bala Town Centre loop from Llangywer is an even shorter 10.4 km path, both offering gentle rides.

Where can I find challenging road cycling routes near Llyn Arenig-Fawr?

For more challenging rides, consider routes that involve significant elevation gains. The Stwlan Dam climb from Bala loop is a difficult 87.7 km route with over 1600m of elevation gain. Another demanding option is the Llyn Tegid, Llyn Celyn & Carnedd y Filiast loop from Bala, covering 83 km with over 1000m of climbing.

What natural features and landmarks can I expect to see while road cycling around Llyn Arenig-Fawr?

Road cyclists in the Llyn Arenig-Fawr area can enjoy views of the serene Llyn Arenig Fawr reservoir itself, as well as the majestic Arenig Fawr mountain. The broader region offers panoramic views of other significant Snowdonia summits like Snowdon and Cadair Idris. You might also encounter the bothy near the lake or the memorial to American airmen on Arenig Fawr's summit.

When is the best time of year to go road cycling around Llyn Arenig-Fawr?

The Llyn Arenig-Fawr region is characterized by its rugged, mountainous terrain. While cycling is possible year-round, the most favorable conditions for road cycling are typically during the warmer, drier months, generally from late spring to early autumn, when weather is more stable and roads are clear of ice or heavy rain.

Are there any loop road cycling routes around Llyn Arenig-Fawr?

Yes, many road cycling routes in the area are designed as loops. Examples include the Llyn Tegid (Lake Bala) – Bala Lake loop from Llangywer, a moderate 39.8 km ride, and the challenging Llyn Tegid, Llyn Celyn & Carnedd y Filiast loop from Bala.

What do other road cyclists enjoy the most about road cycling in Llyn Arenig-Fawr?

The area is highly rated by the komoot community, with an average score of 4.8 stars from over 20 reviews. Cyclists often praise the quiet, scenic roads, the challenging climbs, and the spectacular mountain scenery that offers a sense of solitude within Snowdonia National Park.

Are there any specific roads known for scenic road cycling near Llyn Arenig-Fawr?

Yes, the 'mountain road that links Llanuwchllyn to Trawsfynydd' provides a scenic approach to Llyn Arenig-Fawr. Additionally, a 'quiet road near Llyn Celyn' serves as a starting point for climbs that pass the lake, offering beautiful views of the surrounding landscape.

Is the Llyn Arenig-Fawr area suitable for family-friendly road cycling?

While the immediate area around Llyn Arenig-Fawr features challenging mountainous terrain, easier, family-friendly options can be found nearby. The loops around Bala Lake (Llyn Tegid), such as the Bala Lake – Llyn Tegid (Bala Lake) loop from Llangywer, offer less elevation gain and are more suitable for families.

Are there cafes or pubs available along road cycling routes near Llyn Arenig-Fawr?

While the Llyn Arenig-Fawr area itself is quite remote, towns like Bala, which serves as a starting point for several routes, offer amenities such as cafes and pubs where cyclists can refuel and rest.

Most popular routes around Llyn Arenig-Fawr

Cycling around Llyn Arenig-Fawr

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