Mynydd Mawr

Mynydd Mawr

Mynydd Mawr Group Walks | Join a Walk

698m Elevation
463m Prominence
Wales Country

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Classifications

Marilyn Simm Hewitt Nuttall

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Elevation

698m

2,290 ft

Prominence

463m

Coordinates

53.0695, -4.1810

SH539546

OS Map

115

Explorer: OL17W 254

At the Summit

The summit features a trig point and a prominent rocky outcrop that provides a great spot for photos and a well-deserved breather. Just remember not to confuse it for a throne, as enjoyable as it may be to sit!

Terrain & Geology

Predominantly grassy with rocky paths some boggy patches can be encountered especially after rainfall.

Mynydd Mawr is primarily composed of volcanic rock, with stunning outcrops of rhyolite and andesite that provide insight into the region's tectonic activity during the Variscan orogeny. The mountain itself showcases impressive features formed by glaciation, making it a geological marvel.

Views & Scenery

On a clear day, the views extend across the Snowdon massif, Llyn Beris, and even as far as Anglesey and the Isle of Man. The sprawling valleys below are a patchwork of greens and browns, a feast for the eyes.

History & Heritage

Name Origin

The name 'Mynydd Mawr' translates directly as 'Big Mountain' in Welsh, a rather unpretentious yet fitting description!

Historical Significance

The mountain holds cultural significance within local folklore and has been a favoured spot for both hikers and artists inspired by its scenic beauty.

Popular Routes

Mynydd Mawr Circular

Moderate

A scenic circular route that starts from the village of Rhyd Ddu, offering a steady ascent to the summit with spectacular views along the way.

10.5 km 4.5 hours

North Ridge Path

Challenging

A direct ascent via the northern ridge, providing a slightly steeper challenge but rewarding climbers with breathtaking views down towards the valley below.

4 km 2 hours

Getting There & Facilities

Parking

The nearest parking is at the Rhyd Ddu car park (SH 570 546), with ample space for vehicles and facilities available.

Public Transport

Buses run from major towns like Caernarfon and Bangor to Rhyd Ddu. The nearest train station is at Caernarfon, approximately 12 km away.

Nearby Facilities

Facilities are limited, but there are cafés in Caernarfon and a few local establishments in Rhyd Ddu for post-hike refreshments.

Safety Information

Known Hazards

  • Beware of sudden weather changes, especially the infamous Welsh rain. The paths can be slippery when wet, so sturdy footwear is a must.

General Safety Tips

  • Check weather conditions before setting out
  • Carry appropriate clothing and equipment
  • Let someone know your planned route
  • Take a map, compass, and GPS device
  • Carry emergency supplies: food, water, first aid kit, torch

Find Walking Companions

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Hills

Some common questions about the hills answered

Are there group walks up Mynydd Mawr?

Many walkers use Walkmates to join or organise walks with others. You can check for group walks around Mynydd Mawr through the maps

Are there other walkers around Mynydd Mawr?

Activity varies by location and time, but Walkmates lets you see whether others have shared walks or shown interest in this area. Find other people through the walking friends search walking friends for Mynydd Mawr search or of course create your own walk for Mynydd Mawr

Can I organise a walk to Mynydd Mawr?

Yes. If there aren’t any walks listed already, you can create a walk and make it available for others to join.

If you're signed up to Walkmates, you can create a walk to Mynydd Mawr.

How do I find a walk up this hill?

There are often multiple ways to walk this hill, depending on experience and route preference. Walkmates helps you explore walks and routes that others have shared.

Can I suggest a new route up Mynydd Mawr?

Yes. You can suggest or create routes to share with others. Walkmates focuses on the social side of walking, so routes are used to help people organise walks and explore areas together, rather than as detailed navigation tools or route libraries.

Other uses really appreciate knowledgeable walkers sharing their routes. Share your favourite route to Mynydd Mawr here

The is an error or something incorrect about this hill. How do I let you know?

We always strive to keep the information on Walkmates as accurate as possible. If you find an error, please let us know through the contact form and we'll aim to correct it as quickly as possible