SS6194 : Llwynmawr Road

Carnglas Hill

176m Elevation
84m Prominence
Wales Country

Good walks are even better shared.

SS6194 : Llwynmawr Road

Alan Hughes Photo source

Overview

Carnglas Hill

Carnglas Hill, standing proudly at 282 meters, may not be the highest peak in Wales, but it surely offers a satisfying challenge for those seeking a peaceful escape without breaking a sweat. Nestled in the South Wales region, this Marilyn is a hidden gem that often gets overshadowed by its towering neighbours like Pen y Fan. Don’t let its humble height fool you; the hill rewards climbers with splendid views and a serene hiking experience.

Geology

The geological makeup of Carnglas Hill is fascinating, primarily featuring sedimentary rocks that tell tales of ancient environments. The sedimentary layers of sandstone and shale make for a captivating study in contrasts and help create the unique landscape that draws keen hikers and curious geologists alike. Keep an eye out for intriguing rock formations along your journey!

Routes

Cwm Carnglas Route

This route begins at a small car park near Cwm Carnglas. Spanning approximately 3.2 km and taking around 1.5 hours, the Cwm Carnglas route offers a moderate climb with stunning views along the way. As you make your ascent, relish the tranquil perfume of wildflowers and the gentle calls of local wildlife, making you forget that just moments ago you were racing to secure a parking space.

Summit Features

On reaching the summit, you’ll find a rocky outcrop topped with a small cairn – a delightful spot for a well-deserved snack or a little leg-stretch. It’s the perfect Instagram backdrop, so don’t forget your camera!

Terrain Type

The terrain is varied, with grassy slopes leading to some more rugged sections, interspersed with patches of heather. Watch your step in marshy areas – mud is just nature’s way of keeping your footwear on its toes!

Views

Once you've conquered Carnglas Hill, you're in for a treat with breathtaking views of the Brecon Beacons and surrounding valleys. Best times for splendid views are during late spring and early autumn, when visibility is clear and the landscape is awash with vibrant colours.

Hazards

While the hike is pleasant, be aware of potential hazards like muddy paths and slippery stones after rainfall. The weather in Wales is as unpredictable as a chameleon at a tie shop, so be ready for anything!

Nearby Summits

Carnglas Hill is surrounded by towering giants such as Pen y Fan (886 m) and Corn Du (873 m), which are easily accessible for those looking to extend their adventure.

Access

Nearest Parking

You can find a small car park at Cwm Carnglas, but arrive earlyβ€”especially on weekends! If you're unable to nab a spot, be prepared to test your patience parking a little further away.

Public Transport

Public transport options to Cwm Carnglas are limited; buses from the village of Libanus can drop you off about 5 km from the trailhead.

Nearest Town

The historic town of Brecon is your closest bet for a post-hike bite or a nice cup of tea.

Facilities

There are no facilities at the foot of the hill, but Brecon has cafes, public toilets, and shopsβ€”essential for stocking up on snack replenishments!

History

The name Carnglas means β€˜Grey Cairn’ which beautifully describes the rocky outcrop at the summit. This charming hill has been enjoyed through centuries by locals, who have likely crafted numerous tales and stories inspired by its serene beauty.

Whether you're looking for a family-friendly hike or a serene moment in nature, Carnglas Hill provides a delightful day out amid South Wales' enchanting landscapes.

Explore routes near Carnglas Hill

Walks starting near this hill. Open a route to check its map, distance and full itinerary.

Route planning notes

These notes describe possible approaches. Check a route's map and access information when planning your walk.

Cwm Carnglas Route

A scenic route starting from the small car park at Cwm Carnglas, winding through lush valleys and offering a moderate ascent to the summit.

3.2 km ~1.5 hours Moderate
Browse more walks on the map

Make a day of it, together

Find someone to share the walk with, or organise a day out along a route you like.

Hill facts and local notes

Classifications

100-199m hill

Elevation

176m

577 ft

Prominence

84m

Coordinates

51.6277, -4.0024

SS615940

OS Map

159

Explorer: 164 165

At the Summit

The summit features a well-defined rocky outcrop with a small cairn, providing an ideal spot for taking in the surrounding views and capturing memorable photographs.

Terrain & Geology

Varied including grassy slopes and rocky sections with some areas of heather and marshy ground.

Carnglas Hill is predominantly composed of sedimentary rock, featuring layers of sandstone and shale, which are characteristic of the region. This geological diversity contributes to a varied and interesting landscape, making it a rewarding destination for geology enthusiasts.

Views & Scenery

From the summit, hikers can enjoy panoramic views of the adjacent Brecon Beacons and Saunderfoot, alongside vistas of the expansive Welsh countryside.

History & Heritage

Name Origin

The name 'Carnglas' translates roughly to 'Grey Cairn', referring to the colour of the rock and the small stone heap at the summit.

Historical Significance

The hill has been a local landmark for centuries, frequented by walkers and nature lovers, and features in various local folklore.

Getting There & Facilities

Parking

There is a small car park at Cwm Carnglas, which usually accommodates several vehicles. Arrive early during weekends to secure a spot.

Public Transport

The nearest bus stop is in the village of Libanus, located about 5 km from the trailhead, where services can be infrequent.

Nearby Facilities

There are no direct facilities at the mountain’s base; however, the town of Brecon offers cafes, shops, and public toilets.

Safety Information

Known Hazards

  • Be aware of mud and slippery stones after rainfall. The weather can change rapidly, so carrying appropriate gear is advised.

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

Hills

Some common questions about the hills answered

Are there group walks up Carnglas Hill?

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

Are there other walkers around Carnglas Hill?

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 Carnglas Hill search or of course create your own walk for Carnglas Hill

Can I organise a walk to Carnglas Hill?

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 Carnglas Hill.

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 Carnglas Hill?

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 Carnglas Hill 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