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United Kingdom
Wales
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Machynlleth

NCN82 loop of Cadair Idris from Machynlleth

Routes
Road cycling routes
United Kingdom
Wales
Powys
Machynlleth

NCN82 loop of Cadair Idris from Machynlleth

Hard

25

riders

NCN82 loop of Cadair Idris from Machynlleth

04:36

83.3km

1,420m

Road cycling

Prepare for a difficult road cycling challenge on the NCN82 loop of Cadair Idris from Machynlleth. This route spans 51.7 miles (83.3 km) and demands a significant 4654 feet (1418 metres) of elevation gain, typically taking around 4 hours and 36 minutes to complete. As you pedal, you will experience…

Last updated: April 23, 2026

Waypoints

A

Start point

Train Station

Get Directions

1

9.98 km

Cwm Maethlon (Happy Valley) Climb

Highlight (Segment) • Climb

This serene lane offers a fantastic, tarmac-surfaced ride through Happy Valley alongside Afon Dyffryn-gwyn. This entire segment is a climb but it’s fairly steady and gentle, with stunning views of …

Tip by

2

28.0 km

Only You and nature, stunning place to ride a bike…

Tip by

3

74.6 km

Idris Stores

Highlight • Rest Area

An absolute must if you are visiting Dyfi. Superb coffee, a magnificent range of other treats, and a well stocked village shop. A true community hub. For all their latest opening info check out facebook.com/IdrisStores

Tip by

B

83.3 km

End point

Train Station

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Way Types & Surfaces

Way Types

59.1 km

19.0 km

3.73 km

1.59 km

Surfaces

52.7 km

30.6 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (400 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Friday 29 May

19°C

7°C

12 %

Additional weather tips

Max wind speed: 13.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to complete this cycling loop?

This challenging 83.3 km loop, with over 1,400 meters of elevation gain, generally takes around 4 hours and 36 minutes of active cycling time. However, due to its difficulty and the varied terrain, you should allow extra time for breaks, enjoying the views, and navigating the tougher sections.

Is this route suitable for traditional road bikes?

While listed for racebikes, a significant portion of this route, particularly the 'Black Road' section of NCN82 between Machynlleth and Dolgellau, is gravelly and potholed. It is not suitable for traditional road bikes. A hybrid or touring bike with sturdy tires is highly recommended to handle the rougher byways and forest tracks you'll encounter.

What kind of terrain can I expect on this route?

Expect a highly varied and demanding terrain. The route features hilly and incredibly steep sections, some of which are rough, gravelly, and potholed, akin to gravel routes. You'll also encounter wooded tracks, especially through the Coed y Brenin forest. It offers a wilder, more adventurous cycling experience than a purely tarmac route.

What are the main scenic highlights along the way?

The loop boasts breathtaking scenery characteristic of Eryri National Park. Key highlights include the challenging Cwm Maethlon (Happy Valley) Climb, the Scenic Lanes of NCN 82 in Eryri National Park, and the distinctive peaks of Cadair Idris. You'll enjoy stunning panoramic views over Cardigan Bay and the surrounding mountainous landscape.

When is the best time of year to cycle this route?

The best time to cycle this route is generally during the warmer, drier months from late spring to early autumn (May to September). This avoids the harshest winter weather and offers the best chance for clear views and more comfortable riding conditions on the exposed sections.

Where can I park to start this loop in Machynlleth?

Machynlleth offers various parking options, including public car parks, which are a convenient starting point for this loop. Specific parking details can often be found on local council websites or by checking navigation apps for parking facilities in the town center.

Are dogs allowed on this cycling route?

While the route follows public roads and cycle paths, it's important to be mindful of local regulations. If cycling with a dog, ensure it is well-behaved and under control, preferably on a leash, especially when passing through rural areas with livestock or on shared paths. Always clean up after your dog.

Do I need any special permits or pay entrance fees for this route in Eryri National Park?

No, you do not need special permits or to pay entrance fees to cycle this route within Eryri National Park. Access to the National Cycle Network and public roads is generally free. However, always respect local signage and private land.

Does this route intersect with other well-known paths?

Yes, this route incorporates significant sections of other well-known paths. It follows the National Cycle Network National Route 82 for about 52% of its length and also includes parts of the EuroVelo 2 - Capitals Route (29%) and Lôn Las Cymru (Central) (29%).

Are there places to refuel or find facilities along the route?

Yes, Machynlleth itself has various cafes, pubs, and shops. Along the route, you might find smaller establishments in villages. Notably, Idris Stores is a highlighted facility that could offer a stop for refreshments or supplies.

Is this a good route for beginner cyclists?

No, this route is categorized as a 'difficult' and 'hard road ride' requiring 'very good fitness'. The significant elevation gain (1,418m) and the presence of steep, rough, and gravelly sections make it unsuitable for beginner cyclists or those not accustomed to challenging terrain.

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