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Welsh Highland Heritage Railway
Attractions in Porthmadog

Things to do in Porthmadog: Porthmadog Maritime Museum and one other

We list 2 places to visit inside Porthmadog’s built-up area and 3 within 5 km of its edge. Look for 2 museums, a heritage railway and a historic house. A short walk covers 3, all within 1 km. Castell Harlech is worth a day, 7.7 km from the centre.

Photo: Welsh Highland Heritage Railway, Nigel Cliff (CC BY 2.0)
In Porthmadog
2
inside the built-up area
Within 5 km
3
of the town’s edge
Museums & galleries
2
in or near town
Castles & historic places
1
in or near town
Best known

Leading places in Porthmadog

The rest of the best known are a museum, a heritage railway and a historic house.

MuseumMuseumPorthmadog Maritime Museumin townMuseumMuseumHeritage Centrein townHeritage railwayWelsh Highland Heritage Railway100 m outside town, to the northeastHistoric housePlas Brondanw4.8 km outside town, to the northeastWildlife parkWildlife parkBywyd Gwyllt Glaslyn Wildlife2.4 km outside town, to the northeast

Each has a page of its own: what it is, who runs it, the weather month by month and what else is near it.

The map

The map view

The map shows most of the 3 nearby to the northeast.

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The dashed line is Porthmadog’s built-up area; orange marks its middle (where most people live). Numbers match the list below. © OpenStreetMap contributors · ONS built-up area 2022

By kind

What you can see

Museums or galleries lead the count with 2; 2 are zoos, theme parks or other days out.

Museums & galleries 2 museums2 in town
Castles & historic places 1 historic house0 in town · 1 nearby
Zoos, theme parks & days out 1 heritage railway · 1 wildlife park0 in town · 2 nearby

Green: inside Porthmadog. Grey: within 5 km of its edge.

Every place

Every entry

After the 2 in town come 3 more within 5 km of its edge.

The 2 inside Porthmadog come first, best known first; then the places within 5 km, close and well known first. Churches and listed buildings are on the History page, not here.

90 listed buildings are on Porthmadog’s History page → · Parks, footpaths and green space in Porthmadog →

Big names nearby

Big names nearby

Leading the 12 is Castell Harlech, 7.7 km away; they include 8 castles and a fort.

Castle · CadwCastell Harlech7.7 km southFortCaernarfon25 km northCastle · CadwCastell Cricieth6.7 km westCastle · CadwCastell Caernarfon25 km northCastle · CadwCastell Biwmares / Beaumaris Castle38 km northCastleCastle · CadwCastell Dolbadarn21 km northCastleCastle · CadwCastell Dolwyddelan21 km northeastCastleCastleDinas Emrys11 km northHeritage railwayHeritage railwayWelsh Highland Railway14 km northCastleCastle · CadwCastell y Bere32 km southCathedralBangor Cathedral33 km northMuseumWelsh Slate Museum22 km north

Places well known beyond Porthmadog (Wikipedia articles in several languages, published visitor counts, or a National Trust, English Heritage or Cadw property), close and famous first. Distances are straight lines from the middle of the town.

Questions before you go to Porthmadog

What are the main attractions in Porthmadog?

The best known inside Porthmadog’s built-up area are Porthmadog Maritime Museum and Heritage Centre. In all, 2 places to visit are mapped inside the town, and 3 more within 5 km.

Does Porthmadog have a museum?

2 museums and galleries are in or within 5 km of Porthmadog: Porthmadog Maritime Museum and Heritage Centre.

Is there a National Trust or English Heritage property near Porthmadog?

None within 5 km. The nearest well-known one on our list is Castell Harlech (Cadw), 7.7 km south.

What are the best-known days out near Porthmadog?

Within 40 km: Castell Harlech (7.7 km), Caernarfon (25 km), Castell Cricieth (6.7 km), Castell Caernarfon (25 km).

Where are Porthmadog’s historic buildings listed?

Porthmadog has 90 listed buildings. They are on its History page, from Cadw’s list, not repeated here.

How is this list made?

From OpenStreetMap (museums, galleries, zoos, theme parks and attractions, castles, forts and abbeys, and historic houses and gardens that are open to visitors) and Wikidata (what each place is, who runs it, its website and visitor counts). A place counts for Porthmadog when it is inside the ONS 2022 built-up area, and as nearby within 5 km of its edge. Opening times and prices are not shown: check the official site.

Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.

Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).

Photo credits (9)

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.