St Mawes Castle
St Mawes Castle is a castle in Cornwall built in the 16th century. It stands inside St Mawes’ built-up area. The register lists it as a Grade I listed building.
Castle in St Mawes
One of the best-known places to visit in England, Scotland, Wales and Northern Ireland
#525 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (10 Wikipedias). About ↓
Inside St Mawes
St Mawes Castle is inside St Mawes’ built-up area, with 6 more places to visit within 5 km. Towns near it ↓
Cared for by English Heritage
One of the places English Heritage looks after; members usually get in free. About ↓
Grade I listed building
On the official list of protected heritage; St Mawes has 37 listed buildings in all, on its History page. About ↓
Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.
Month by month
Warmest in St Mawes are June to September, at 18–20°C.
St Mawes Castle
Its upkeep is handled by English Heritage. Readers can find it on Wikipedia in 10 languages. Within 15 km there are 20 more places to visit, starting with Pendennis Castle (1.9 km).
- Type
- Castle
- Run by
- English Heritage
- Listed
- Grade I listed building
- Wikipedias
- Covered in 10 languages
- Town
- in St Mawes
- Official site
- english-heritage.org.uk/visit/places/st-mawes-castle
Mapping St Mawes Castle
Orange: St Mawes Castle.
© OpenStreetMap contributors · Numbers: the places near it, as listed below. The dashed line is St Mawes’ built-up area. · ONS built-up area 2022
The nearest towns to St Mawes Castle
The largest of the 8 towns is Falmouth, with 24,066 people. Nearest first, every town here counts it among its places to visit.
St Mawes
Falmouth
Flushing
Mylor Bridge
Compare the 8 towns
| Town | Where St Mawes Castle is | People | Places to visit |
|---|---|---|---|
| St Mawes | It’s in town | 643 | 7 |
| Falmouth | 1.6 km west of it | 24,066 | 13 |
| Flushing | 2.6 km west of it | 745 | 9 |
| Mylor Bridge | 2.9 km northwest of it | 1,534 | 11 |
| Portscatho | 3.7 km northeast of it | 588 | 1 |
| Penryn | 4.6 km west of it | 11,194 | 10 |
| Budock Water | 5.8 km west of it | 571 | 12 |
| Feock | 6.1 km north of it | 246 | 5 |
Combine it with these
Of the 20 within 15 km, look for 3 gardens, 2 museums and a castle.
Castle · English HeritagePendennis Castle1.9 km away2
CathedralTruro Cathedral12 km away3GardenGarden · National TrustTrelissick Garden6.8 km away4
Art galleryFalmouth Art Gallery3.5 km away5
MuseumNational Maritime Museum Cornwall2.7 km away6
Garden · National TrustGlendurgan Garden8.4 km away7GardenGardenTrebah9.1 km away8
MuseumRoyal Cornwall Museum12 km awayWithin 15 km, close and well known first. Numbers match the map.
Questions about St Mawes Castle
Where is St Mawes Castle?
St Mawes Castle is in St Mawes, Cornwall, inside the town’s built-up area.
What is St Mawes Castle?
Castle in Cornwall built in the 16th century.
Who runs St Mawes Castle?
English Heritage, so members usually get in free; check opening times before you go.
When is the best time to visit St Mawes Castle?
June to September are the warmest months in St Mawes, with afternoon highs of 18–20°C (Met Office 1991–2020 averages).
Is St Mawes Castle a listed building?
Yes: Grade I listed building.
What else is there to see near St Mawes Castle?
Within 15 km: Pendennis Castle (1.9 km), Truro Cathedral (12 km), Trelissick Garden (6.8 km) and Falmouth Art Gallery (3.5 km).
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 (7)
- St Mawes Castle: Claudiu Bichescu, CC BY-SA 3.0, Wikimedia Commons
- Pendennis Castle: Darren Shilson, CC BY 2.0, Wikimedia Commons
- Truro Cathedral: tracey maclean, CC BY-SA 2.0, Wikimedia Commons
- Falmouth Art Gallery: Vernon39, Public domain, Wikimedia Commons
- National Maritime Museum Cornwall: Vernon39, Public domain, Wikimedia Commons
- Glendurgan Garden: Daderot, CC0, Wikimedia Commons
- Royal Cornwall Museum: Tim Green from Bradford, CC BY 2.0, Wikimedia Commons
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.