Tonduff
Good walks are even better shared.
O1513 : Moorland plateau at summit of Tonduff
Colin Park Photo source
Explore routes near Tonduff
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.
Grwyne Fawr Reservoir Route
A scenic circular route starting at the Grwyne Fawr Reservoir, taking hikers through lush valleys and past stunning views.
Black Mountain Path
This slightly longer route offers breath-stealing views of the Black Mountains and the River Usk.
Make a day of it, together
Find someone to share the walk with, or organise a day out along a route you like.
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O1513 : Moorland plateau at summit of Tonduff
Colin Park
Hill facts and local notes
Classifications
Elevation
642m
2,106 ft
Prominence
120m
Coordinates
53.1606, -6.2680
O159136
OS Map
56
At the Summit
The summit boasts a well-constructed cairn, which offers a delightful photo opportunity. Look out for the occasional sheep who may be posing for pictures!
Terrain & Geology
Tonduff is primarily composed of sandstone and mudstone, typical of the sedimentary rock formations found in the Brecon Beacons. These rocks have been shaped by glacial activity, giving the area a rugged terrain.
Views & Scenery
From the summit, one can spot the wonders of the Brecon Beacons, including Pen y Fan, flat-topped and proud, and the sprawling farmland below.
History & Heritage
Name Origin
The name 'Tonduff' likely derives from Welsh, meaning 'dark hill,' fitting given the often brooding clouds that grace its summit.
Historical Significance
Tonduff has long been a favourite among local walkers and offers a significant chunk of history within the tangible landscapes of the Brecon Beacons.
Getting There & Facilities
Parking
Parking is available at the Grwyne Fawr Reservoir car park. It can accommodate a fair number of vehicles but arrive early to nab the best spots on busy weekends.
Public Transport
Public transport options are limited. The nearest bus services run from Abergavenny, with a walk from the service stop to the reservoir.
Nearby Facilities
There are limited facilities so pack a picnic; however, Abergavenny has several cafes, restaurants, and public toilets.
Safety Information
Known Hazards
- Sudden weather changes, steep drop-offs particularly around paths, and potential slippery conditions after rainfall.
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 Tonduff?
Many walkers use Walkmates to join or organise walks with others. You can check for group walks around Tonduff through the maps
Are there other walkers around Tonduff?
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 Tonduff search or of course create your own walk for Tonduff
Can I organise a walk to Tonduff?
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 Tonduff.
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 Tonduff?
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 Tonduff 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
Community Discussion
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Location
View the hill's mapped position and surrounding paths.
Grid reference: O159136
View on OpenStreetMapOpens a map in a new tab, centred on the hill.
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