
Portland Castle
Portland Castle is a grade I listed Device Fort. Its place is inside Fortuneswell’s built-up area. It is maintained by English Heritage.
Castle in Fortuneswell
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 Fortuneswell
Portland Castle is inside Fortuneswell’s built-up area, with 17 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 ↓
Scheduled monument
On the official list of protected heritage; Fortuneswell has 78 listed buildings in all, on its History page. About ↓
Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.
Warm months and wet ones
Highs of 17–22°C mark May to October in Fortuneswell.
Portland Castle
Readers can find it on Wikipedia in 10 languages. Within 15 km there are 33 more places to visit, starting with Maiden Castle (14 km).
- Type
- Castle
- Run by
- English Heritage
- Listed
- Scheduled monument
- Wikipedias
- Covered in 10 languages
- Town
- in Fortuneswell
- Official site
- english-heritage.org.uk/visit/places/portland-castle
Where Portland Castle is
The map centres on Portland Castle, in orange, with nearby places numbered.
© OpenStreetMap contributors · The dashed line is Fortuneswell’s built-up area. · ONS built-up area 2022
Which town is nearest
In size, Weymouth comes first of the 8, with 55,540 people. From nearest to farthest, these towns all list it.
Fortuneswell
Weston
Grove
Weymouth
Compare the 8 towns
| Town | Where Portland Castle is | People | Places to visit |
|---|---|---|---|
| Fortuneswell | It’s in town | 4,554 | 23 |
| Weston | 1.7 km south of it | 5,208 | 17 |
| Grove | 2 km southeast of it | 1,032 | 16 |
| Weymouth | 2.2 km north of it | 55,540 | 26 |
| Southwell | 3.6 km south of it | 1,700 | 16 |
| Chickerell | 7.1 km northwest of it | 3,973 | 13 |
| Osmington | 9.6 km northeast of it | 208 | 6 |
| Broadmayne | 13 km north of it | 607 | 9 |
More to see nearby
Within 15 km you can add 3 forts, 3 castles and 2 museums.
Fort · English HeritageMaiden Castle14 km away2
CastleRufus Castle3.5 km away3
CastleSandsfoot Castle3.2 km away4FortFortVerne High Angle Battery1.5 km away5
MuseumTout Quarry1.7 km away6
MuseumPortland Museum3.3 km away7
FortThe Verne Citadel1.2 km away8
CastlePennsylvania Castle3.5 km awayWithin 15 km, close and well known first. Numbers match the map.
Visiting Portland Castle: the answers
Where is Portland Castle?
Portland Castle is in Fortuneswell, Dorset, inside the town’s built-up area.
What is Portland Castle?
Grade I listed Device Fort in Dorset, England, UK.
Who runs Portland Castle?
English Heritage, so members usually get in free; check opening times before you go.
When is the best time to visit Portland Castle?
May to October are the warmest months in Fortuneswell, with afternoon highs of 17–22°C (Met Office 1991–2020 averages).
Is Portland Castle a listed building?
Yes: scheduled monument.
What else is there to see near Portland Castle?
Within 15 km: Maiden Castle (14 km), Rufus Castle (3.5 km), Sandsfoot Castle (3.2 km) and Verne High Angle Battery (1.5 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 (8)
- Portland Castle: Mark.murphy at English Wikipedia, CC BY-SA 3.0, Wikimedia Commons
- Maiden Castle: Major George Allen (1891–1940), Public domain, Wikimedia Commons
- Rufus Castle: Mike Smith, CC BY-SA 2.0, Wikimedia Commons
- Sandsfoot Castle: Ajsmith141, CC BY-SA 3.0, Wikimedia Commons
- Tout Quarry: Ajsmith141, CC BY 3.0, Wikimedia Commons
- Portland Museum: Mike Smith, CC BY-SA 2.0, Wikimedia Commons
- The Verne Citadel: Chris Downer, CC BY-SA 2.0, Wikimedia Commons
- Pennsylvania Castle: Mike Smith, CC BY-SA 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.