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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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Cwm Hengae Walk

Address

Corris, Machynlleth, Powys, SY20 9SS

Telephone
0300 065 3000

Powys

Start: NRW forest car park. Turn R just before Aberllefenni village sign
Grid Reference: SH 769 092
Distance: 7.4 km – 4.6 miles
Grade: Moderate
Terrain: Tarmac road and grassy tracks.
Maps: OS Explorer – OL 23
Penrhyndeudraeth Railway Station

Address

Cambrian View, Penrhyndeudraeth, Gwynedd, LL48 6LN

Telephone
0800 464 0000

Penrhyndeudraeth

Penrhyndeudraeth railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Cinema: The Rocky Horror Picture Show | Tabernacl Auditorium

Address

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

Telephone
01654 703355

info@moma.machynlleth.org.uk

Machynlleth

Dates

From:
29 Oct 2026Open 19:00 - 21:00

Prepare for a gloriously outrageous night of music, mayhem, and cult-classic fun with The Rocky Horror Picture Show. Cert:15
Llwyngwril

Address

Gwynedd, LL37 2JS

Telephone
01341 280787

barmouth.tic@gwynedd.gov.uk

Llwyngwril is a coastal village with a population of around 500. The village falls within the Snowdonia National Park.
Barmouth | Walking Routes and Trails

Address

Barmouth, Southern Snowdonia, LL42 1LS

Telephone
01341 280787

barmouth.tic@gwynedd.gov.uk

Barmouth

Listed are some of the delightful southern Snowdonia walks in and around Barmouth and surrounding areas.
Victorian Train Day | Talyllyn Railway

Address

Rheilffordd Talyllyn Railway, Gorsaf Wharf Station, Tywyn, Gwynedd, LL36 9EY

Telephone
01654 710472

enquires@talyllyn.co.uk

Tywyn

Dates

From:
27 Sept 2026

Step back in time to the Era of Queen Victoria and travel through untouched and unparalleled Snowdonian scenery aboard The Victorian Train.
Halloween Steam 'n' Scream | Talyllyn Railway

Address

Rheilffordd Talyllyn Railway, Gorsaf Wharf Station, Tywyn, Gwynedd, LL36 9EY

Telephone
01654 710472

enquires@talyllyn.co.uk

Tywyn

Dates

From:

29 Oct 2026to30 Oct 2026

Join us, if you dare, for a ghoulish evening train ride to Dolgoch Woods…
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.
Harlech Railway Station

Address

Ffordd Morfa, Harlech, Gwynedd, LL46 2UL

Telephone
0800 464 0000

Harlech

Harlech railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Barmouth Railway Station

Address

Station Approach, Barmouth, Gwynedd, LL42 1LS

Telephone
0800 464 0000

Barmouth

Barmouth/Abermaw railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.The railway station is in the town centre.
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
Barmouth & the Mawddach Valley | Cycle Routes

Address

Abermaw | Barmouth, Barmouth, Southern Snowdonia, LL42 1LS

Telephone
01341 280787

barmouth.tic@gwynedd.gov.uk

Barmouth

With the development of Trans Wales cycle routes, Barmouth has become an ideal centre for a cycling based holiday. The dramatic beauty of North & Mid Wales offers a vast array of cycling opportunities for all types of cyclists.
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.
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.
Llanbedr Railway Station

Address

Llanbedr, Gwynedd, LL45 2LR

Telephone
0800 464 0000

Llanbedr

Llanbedr railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
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.
Tywyn Railway Station

Address

Station Rd, Tywyn, Gwynedd, LL36 9EY

Telephone
0800 464 0000

Tywyn

Tywyn railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Dolgoch Falls

Address

Bryncrug, Tywyn, Gwynedd, LL36 9UW

Tywyn

The Dolgoch Falls are a series of three waterfalls near Tywyn in Southern Snowdonia. Access is by woodland walk signposted from the nearby Tal-y-llyn Railway- Dolgoch Station
Lôn Mawddach | Mawddach Trail

Address

Mawddach Estuary, Southern Snowdonia, LL40 2TA

Southern Snowdonia

The walk along the estuary from Barmouth to Dolgellau is 9.6 miles (15km). This easy leisure walk is suitable for all the family and involves no climbing. A section of the trail has been adapted for people with disabilities.
The Precipice Walk

Address

Dolgellau, Southern Snowdonia, LL40 1PS

Southern Snowdonia

The Precipice Walk is one of the famous attractions of Dolgellau. It passes through an interesting variety of habitats which include deciduous woodland, a conifer plantation, meadows, lakeside and sheep-walk.
Dyfi Discovery Walk | Centre for Alternative Technology Walk

Address

Centre For Alternative Technology, Llwyngwern Quarry, Pantperthog, Machynlleth, Powys, SY20 9AZ

Telephone
0300 065 3000

Pantperthog, Machynlleth

Start: Centre for Alternative Technology
(C.A.T) car park
Grid Reference: SH 754 044
Distance: 7.1 km – 4.4 miles
Grade: Moderate (some steep sections)
Terrain: Firm tracks, roads and open grassland
Maps: OS Explorer OL23 or 215