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Southern Snowdonia | Dolgellau and the Mawddach

Southern Snowdonia

The southern part of Snowdonia National Park (Eryri) covers the area from Dolgellau south to Machynlleth and west to Barmouth and Aberdovey. It is less well known than the Snowdon area to the north, which is exactly its appeal. The mountains here are just as dramatic, the estuaries are wider, and the crowds are a fraction of what you find around Llanberis and Betws-y-Coed.

What are the main places in Southern Snowdonia?

Dolgellau is the main town, built from dark stone at the foot of Cadair Idris. It has narrow streets, good independent shops and serves as the base for walks up the mountain. Barmouth is a seaside town at the mouth of the Mawddach Estuary, with a long sandy beach and the famous railway bridge. Harlech has one of the great castles of Wales, built by Edward I in the 1280s on a clifftop with views across Cardigan Bay to the Llyn Peninsula. Aberdovey is a small sailing village on the Dyfi Estuary. Bala sits at the head of Llyn Tegid, the largest natural lake in Wales.

What walks are there in Southern Snowdonia?

Cadair Idris (893m) is the signature walk. The Minffordd Path from the south is the most popular route, climbing through old oak woods to the summit ridge. The Mawddach Trail is flatter: a 9.5-mile walking and cycling path along the estuary from Dolgellau to Barmouth, following a disused railway line with views of the mountains reflected in the water at low tide.

The Precipice Walk near Dolgellau is a 3.5-mile circuit with views across the Mawddach to Cadair Idris. It is not as dramatic as the name suggests but it is one of the finest short walks in Wales.

How do I get to Southern Snowdonia?

The Cambrian Coast Line runs through Barmouth, Dolgellau Road (Morfa Mawddach) and along the coast to Aberdovey and Machynlleth. By road, the A470 runs north from Dolgellau towards Southern Snowdonia, and the A487 connects to Machynlleth and Aberystwyth. From England, the quickest route is via Shrewsbury and the A458 to Dolgellau.

Where to eat in Southern Snowdonia

Dolgellau has several good independent restaurants and cafes. Barmouth has fish and chip shops on the harbour and pubs with sea views. Aberdovey has a small but reliable choice of restaurants serving fresh fish from the bay. The Fanny Talbot pub in Barmouth, owned by the National Trust, is worth a visit for its food and unusual name. For a full list, see our restaurants and cafes in the area.

Southern Snowdonia Towns | Places to Stay | See & Do

Inspiration

Harlech

Harlech is a historic town on the Snowdonia coast which has fantastic beaches, Royal St David's - one of Wales' finest golf courses and Harlech Castle which a World heritage site.
Bala & Penllyn

Bala & Penllyn is an area within the Eryri (Snowdonia) National Park surrounded by the peaks of Aran Benllyn, Arenig Fawr and the Berwyn Mountains and home to the largest natural lake in Wales,
Abermaw | Barmouth

Barmouth is one of the most picturesque resorts on the Welsh coast and is surrounded by the unrivalled splendour of the Snowdonia National Park.
Dolgellau

Dolgellau is the ideal base to explore southern Snowdonia's dramatic scenery, adrenalin-fuelled activities and world heritage attractions. It's a historic mountain town built on the wool trade and steeped in folklore.
Aberdyfi | Aberdovey

Aberdyfi's pastel-coloured terraces front a large sandy beach and quaint old harbour. The town is a popular centre for sailing, watersports and golf.
Tywyn

Tywyn is a coastal town in Southern Snowdonia on the Mid Wales coast. The name Tywyn comes from the Welsh word for beach or sand dunes.

Number of results: 245

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Cors Dyfi Nature Reserve

Address

Derwenlas, Machynlleth, Powys, SY20 8SR

Telephone
01654 781414

enquiries@dyfiospreyproject.com

Machynlleth

The Cors Dyfi reserve in the heart of the UNESCO Dyfi Biosphere is a mixture of bog, swamp, wet woodland and scrub supporting a plethora of animals and plants, including the magnificent ospreys and the recently introduced beavers.
Llanbedr

Address

Llanbedr, Gwynedd, LL45 2LD

Telephone
01341 280787

Llanbedr

Llanbedr is an attractive village situated between Barmouth and Harlech. It's an ideal location for walking and Shell Island is famous for it's abundance of sea shells.
Dyfi Discovery Walk | Derwenlas Walk

Address

Derwenlas, Machynlleth, Powys, SY20 8BL

Telephone
0300 065 3000

Machynlleth

Start: Lay-by Derwenlas
Grid Reference: SN721 991
Distance: 6.2 km - 3.8 miles
Grade: Moderate
Terrain: Firm tracks, open fields, some boggy areas
Maps: OS Explorer OL23
Harlech Beach

Address

Harlech, Gwynedd, LL46 2UG

Telephone
01286 679686

tourism@gwynedd.llyw.cymru

Harlech

Harlech beach is an ideal place for children to play and an even better spot for adults to sit back and relax. The beautiful sand dunes are the reason behind the area’s designation as a National Nature Reserve and Site of Special Scientific Interest.
Blaenau Ffestiniog Railway Station

Address

Church St, Blaenau Ffestiniog, Gwynedd, LL41 3HE

Telephone
0800 464 0000

Blaenau Ffestiniog

Blaenau Ffestiniog railway station is the terminus of the Conwy Valley Line from Llandudno Junction; most trains run from/to Llandudno. Trains connect with the North Wales Coast Line. It is also the terminus of the Ffestiniog Railway.
Mawddach Estuary

Address

Dolgellau - Barmouth, Southern Snowdonia, LL40 2TA

Telephone
01766 770274

Dolgellau - Barmouth

The vast and sandy Mawddach estuary is one of Snowdonia National Park’s most remarkable areas. The area is designated a Site of Special Scientific Interest and a Special Area of Conservation due to its salt marsh and lowland peat habitats.
Ten Tenors | Tabernacl Auditorium

Address

Y Tabernacl, Penrallt Street, Machynlleth, Powys, SY20 8AJ

Telephone
01654 703355

info@moma.machynlleth.org.uk

Machynlleth

Dates

From:
10 Oct 2026Open 19:30 - 21:30

A concert by Ten Tenors to celebrate 40 years of the first concert at Y Tabernacl
Dyfi Discovery Walk | Pennal Walk

Address

Pennal, MACHYNLLETH, Powys, SY20 9DR

Telephone
0300 065 3000

MACHYNLLETH

Start: Pennal village
Grid Reference: SH 699 004
Distance: 13.2km – 8.3 miles
Grade: Strenuous – A mountain walk, not to be undertaken in poor visibility
Maps: OS Explorer – OL 23
Harlech Castle (Cadw)

Address

Castle Square, Harlech, Gwynedd, LL46 2YH

Telephone
03000 252239

harlechcastle@gov.wales

Harlech

Explore the magnificent castle of Edward I at Harlech - which is inscribed on the World Heritage List. One of the most formidable and dominant fortresses in Wales. Panoramic views of Snowdonia and the sea. On site exhibition.
Mid Wales Rail Trails | Barmouth to Porthmadog.

Address

Barmouth Railway Station, Station Approach, Barmouth - Porthmadog, LL42 1LS

Barmouth - Porthmadog

Mid Wales Rail Trails | Points of interest travelling on the Cambrian Line from Barmouth to Porthmadog.
Dyffryn Ardudwy Burial Chamber (Cadw)

Address

Dyffryn Ardudwy, Gwynedd, LL44 2EW

Telephone
0300 025 6000

cadw@gov.wales

Gwynedd

Neolithic tomb comprising two chambers of different phases, originally covered by a stone cairn.
Aberdyfi | Aberdovey Beach

Address

Aberdyfi, Gwynedd, LL35 0RT

Telephone
01654 767321

TIC.Aberdyfi@snowdonia.gov.wales

Gwynedd

Aberdyfi is a charming coastal village in Southern Snowdonia, boasting a stunning beach with views of Cardigan Bay and opportunities for sailing and watersports. The area is also home to a nature reserve and Ramsar site.
Dolgellau

Address

Southern Snowdonia, Dolgellau, Gwynedd, LL40 1PS

Dolgellau

Dolgellau is the ideal base to explore southern Snowdonia's dramatic scenery, adrenalin-fuelled activities and world heritage attractions. It's a historic mountain town built on the wool trade and steeped in folklore.
Aberdyfi Circular Walk off the Wales Coast Path

Address

Aberdyfi | Aberdovey, Gwynedd, LL35 0ED

Telephone
01286 679217

tourism@gwynedd.gov.uk

Aberdyfi | Aberdovey

Circular walk starting from the popular coastal town of Aberdyfi. Stunning sandy beach, medieval castle site, tales of sunken villages, and far-reaching views of the Dyfi estuary and Cambrian coast are all part of this short but scenic walk.
Sustrans Route 82:Machynlleth -Fishguard

Address

Sustrans Route 82:Machynlleth - Fishguard, Machynlleth Town Centre, SY20 8AB

Telephone
01179268893

Machynlleth Town Centre

This section of route 82 heads South towards Aberystwyth but the route is still under construction. Beyond Aberystwyth the route heads along the old railway line towards Tregaron and Lampeter. The route finishes in Fishguard.
Harlech

Address

Harlech, Gwynedd, LL46 2YA

Harlech

Harlech is a historic town on the Snowdonia coast which has fantastic beaches, Royal St David's - one of Wales' finest golf courses and Harlech Castle which a World heritage site.
Minffordd Railway Station

Address

Minffordd, Porthmadog, LL48 6HG

Telephone
0800 464 0000

Porthmadog

Minffordd railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Bala & Penllyn | Cycle Trails

Address

Bala & Penllyn, Bala, Gwynedd, LL23 7AD

Bala

Cycle routes through southern Snowdonia and the exciting scenery around Bala,
Waen-oer Ridge Mountain Walk

Address

Dinas Mawddwy, Gwynedd, LL49 9LP

Telephone
01341 422888

Gwynedd

The Waun-oer Ridge Walk climbs from the village of Dinas Mawddwy over the bare mountains of Maesglase, Craig Portas, Cribin Fawr and Waun-oer and then down the slopes of Mynydd Ceiswyn to Bwlch Llyn Bach pass, Tal-y-llyn.
Dyfi Discovery Walk | Cae Adda Walk

Address

Machynlleth, Powys, SY20 8BL

Telephone
0300 065 3000

Machynlleth

Start: Near Dovey Valley Shooting Centre
Limited car parking
Grid Reference: SH 806 051
Distance: 10 km – 6.2 miles
Grade: Moderate with some steep sections
Terrain: Fields, rough tracks
Maps: OS Explorer - 215
Castell y Bere - (Cadw)

Address

Abergynolwyn, Gwynedd, LL36 9TS

Telephone
0300 025 6000

cadw@gov.wales

Gwynedd

Deep in the mountainous heart of mid Wales, nestling at the foot of Cadair Idris, lie the ruins of Castell y Bere. An atmospheric site, it is an outstanding example of a stronghold of the native Welsh princes.