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Nature Reserves in United Kingdom
Nature Reserves in Wales

Nature Reserves in South Wales

Nature Reserves in South Wales

Nature Reserve Guide

South Wales is home to more than 20 nature reserves, safeguarding a diverse array of protected landscapes. These areas span from the dramatic limestone cliffs and expansive sand dune systems of the Gower Peninsula and Glamorgan coast to the ancient woodlands of the Wye Valley and the vast wetlands of the Severn Estuary. The region's varied terrain provides a network of trails suitable for outdoor activities including hiking, jogging, mountain biking, and gravel biking. This collection represents some of the…

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Last updated: April 23, 2026

4.6

(186)

6,202

hikers

#1.

Crymlyn Bog And Pant Y Sais National Nature Reserve

Crymlyn Bog And Pant Y Sais National Nature Reserve is South Wales' largest lowland fen, offering accessible routes for hiking, cycling, and jogging through its unique wetland landscape.

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4.5

(497)

5,716

hikers

#2.

Lady Park Wood National Nature Reserve

Lady Park Wood National Nature Reserve is an ecologically important old-growth woodland in the Wye Valley, offering diverse routes for hiking, cycling, and more.

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4.6

(277)

3,842

hikers

#3.

Fiddler'S Elbow National Nature Reserve

Fiddler'S Elbow National Nature Reserve offers 45 hectares of ancient woodlands and riverside trails along the River Wye, ideal for hiking and cycling.

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4.6

(153)

3,283

hikers

#4.

Newport Wetlands National Nature Reserve

Newport Wetlands National Nature Reserve offers over 438 hectares of diverse coastal habitats and flat paths ideal for cycling, hiking, and jogging with Severn Estuary views.

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4.6

(153)

3,203

hikers

#5.

Merthyr Mawr Warren National Nature Reserve

Merthyr Mawr Warren National Nature Reserve features one of Europe's largest sand dune systems, offering diverse terrain for hiking, cycling, and jogging routes.

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4.7

(169)

2,885

hikers

#6.

Whiteford National Nature Reserve

Whiteford National Nature Reserve offers diverse terrain for hiking, jogging, and cycling, from sandy beaches and dunes to wetlands and pine plantations.

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4.7

(236)

2,671

hikers

#7.

Gower Coast National Nature Reserve

Gower Coast National Nature Reserve offers diverse terrain, from dramatic cliffs and sandy beaches to hills and woodlands, perfect for hiking, cycling, and jogging.

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4.5

(187)

2,659

hikers

#8.

Coed Rheidol National Nature Reserve

Coed Rheidol National Nature Reserve offers diverse routes for hiking, mountain biking, and road cycling through ancient woodlands and a dramatic river gorge.

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4.5

(80)

2,586

hikers

#9.

Kenfig Pool And Dunes National Nature Reserve

Kenfig Pool And Dunes National Nature Reserve offers diverse terrain for hiking, cycling, and mountain biking across its dynamic sand dunes, expansive pool, and woodlands.

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4.5

(156)

2,168

hikers

#10.

Oxwich National Nature Reserve

Oxwich National Nature Reserve offers diverse landscapes, from sandy beaches and dunes to woodlands and cliffs, perfect for hiking, cycling, and more.

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4.8

(133)

2,009

hikers

#11.

Dyfi National Nature Reserve

Dyfi National Nature Reserve offers diverse landscapes, from sand dunes and mudflats to ancient bogs, ideal for hiking, road cycling, touring cycling, and gravel biking.

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4.4

(204)

1,858

hikers

#12.

Aberbargoed Grasslands National Nature Reserve

Aberbargoed Grasslands National Nature Reserve offers 105 acres of flower-rich grasslands and woodlands with diverse routes for cycling, jogging, and walking.

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4.7

(131)

1,618

hikers

#13.

Corsydd Llangloffan National Nature Reserve

Corsydd Llangloffan National Nature Reserve is a significant wetland in Pembrokeshire, offering diverse terrain for hiking, mountain biking, and road cycling.

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4.7

(83)

1,417

hikers

#14.

Carmel National Nature Reserve

Carmel National Nature Reserve in South Wales offers varied terrain, from gentle paths to rocky tracks, for hiking, cycling, and jogging through unique karst landscapes and diverse habitats.

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4.6

(96)

1,306

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#15.

Cors Caron National Nature Reserve

Cors Caron National Nature Reserve offers a unique wetland environment in Wales, with flat terrain and established trails perfect for hiking and various cycling sports.

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4.3

(117)

1,197

hikers

#16.

Coedmor National Nature Reserve

Coedmor National Nature Reserve features ancient oak woodland and gorge slopes along the River Teifi, offering diverse trails for hiking, jogging, and cycling.

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4.5

(66)

1,103

hikers

#17.

Waun Las National Nature Reserve

Waun Las National Nature Reserve in Carmarthenshire, Wales, offers diverse landscapes for hiking, featuring woodlands, meadows, and restored lakes. It is known for its rich biodiversity.

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4.4

(94)

957

hikers

#18.

Allt Rhyd Y Groes National Nature Reserve

Allt Rhyd Y Groes National Nature Reserve features ancient woodlands, gorges, and heathland, offering routes for hiking, mountain biking, and road cycling.

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4.6

(97)

951

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#19.

Penhow Woodlands National Nature Reserve

Penhow Woodlands National Nature Reserve offers diverse outdoor activities like hiking and cycling through ancient woodlands on limestone hills in southeast Wales.

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4.5

(35)

894

hikers

#20.

Dinefwr Estate National Nature Reserve

Dinefwr Estate National Nature Reserve is Wales' only parkland NNR, offering diverse routes for hiking, cycling, and jogging across 800 acres of hills and woodlands.

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Most popular routes in South Wales

Hiking In South Wales

Frequently Asked Questions

What are nature reserves in South Wales?

Nature reserves in South Wales are protected areas designated to conserve a variety of landscapes, from coastal cliffs and sand dunes to wetlands and ancient woodlands. This page aggregates more than 20 such reserves, which provide habitats for diverse wildlife and offer opportunities for low-impact outdoor recreation. These reserves include National Nature Reserves and areas managed by conservation trusts.

What activities are available in South Wales' nature reserves?

The primary activities are human-powered, including hiking, cycling, and mountain biking. The reserves feature over 2,000 documented routes for these sports. Specific trails are available for different activities, such as flat, accessible paths in wetland reserves and more challenging terrain in coastal and woodland areas.

Which are some of the main nature reserves featured for South Wales?

Key reserves include the Gower Coast National Nature Reserve, known for its limestone cliffs, and the Merthyr Mawr Warren National Nature Reserve, which contains one of Europe's largest sand dune systems. Other notable sites are the Newport Wetlands National Nature Reserve on the Severn Estuary and the old-growth woodland of Lady Park Wood National Nature Reserve.

How many nature reserves are there in South Wales?

This collection features 22 nature reserves in South Wales. The total number in the region is higher; for instance, there are 76 National Nature Reserves across all of Wales, and the Wildlife Trust of South and West Wales alone manages over 110 reserves. This page focuses on a selection with established recreational routes.

What types of hiking trails are in South Wales' nature reserves?

There are over 2,000 routes available, with a significant number dedicated to hiking. The terrain varies widely, from flat, accessible paths in wetland reserves like Newport Wetlands to challenging coastal trails with significant elevation changes along the Gower Coast. Many reserves, such as Fiddler'S Elbow National Nature Reserve, offer woodland hikes with riverside views.

Are there cycling routes in these nature reserves?

Yes, many reserves offer routes suitable for cycling, including road cycling, touring, and mountain biking. For example, Crymlyn Bog And Pant Y Sais National Nature Reserve has routes for touring bicycles and road bikes. Other reserves feature traffic-free cycle tracks and gravel paths through varied landscapes.

What kind of terrain is found in the Gower Coast nature reserves?

The Gower Peninsula's nature reserves feature a mix of landscapes. The Gower Coast National Nature Reserve is characterized by dramatic limestone cliffs and sandy beaches. Nearby, Oxwich National Nature Reserve includes sand dunes, freshwater lakes, woodlands, and saltmarsh.

What can you do at Newport Wetlands National Nature Reserve?

Newport Wetlands National Nature Reserve covers over 438 hectares of coastal habitat on the Severn Estuary. It offers a network of flat, well-maintained paths ideal for walking, jogging, and cycling. The reserve is a significant site for birdwatching, with hides available for viewing waders and wildfowl.

Are there family-friendly walks in South Wales' nature reserves?

Yes, several reserves are suitable for families, offering shorter, flatter trails. Newport Wetlands and Parc Slip Nature Reserve, a reclaimed coal mine, have accessible paths. Bryngarw Country Park also provides a mix of easy parkland and woodland trails suitable for all ages.

What is unique about Merthyr Mawr Warren National Nature Reserve?

Merthyr Mawr Warren is notable for its landscape, which includes one of the largest active sand dune systems in Europe. The reserve offers a variety of hiking and running routes across this dynamic terrain. Its unique environment is also of significant botanical importance.

Are there woodland nature reserves in South Wales?

Yes, South Wales has several reserves focused on woodland conservation. Lady Park Wood National Nature Reserve in the Wye Valley is an important old-growth woodland. Other examples include Coed Rheidol, which features a dramatic river gorge, and Fiddler's Elbow, with ancient woods along the River Wye.

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