Guest, Sign inJoin
Portland Castle
Castle · Fortuneswell · Dorset

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.

Photo: Portland Castle, Mark.murphy at English Wikipedia (CC BY-SA 3.0)
Where
In Fortuneswell
inside the built-up area
Run by
English Heritage
a national heritage body
How well known
Top 7%
#525 of 8,556 places we list
Warmest months
May–Oct
highs of 17–22°C
In brief

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.

When to go

Warm months and wet ones

Highs of 17–22°C mark May to October in Fortuneswell.

Jan10° / 4°83 mm
Feb10° / 4°51 mm
Mar12° / 4°51 mm
Apr14° / 5°45 mm
May18° / 8°45 mm
Jun20° / 11°41 mm
Jul22° / 12°45 mm
Aug22° / 13°44 mm
Sep20° / 12°50 mm
Oct17° / 10°75 mm
Nov14° / 7°85 mm
Dec11° / 5°88 mm
Green months are the warmest. Typical afternoon highs and night lows in Fortuneswell, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Fortuneswell. Opening times change through the year: check before you go. Fortuneswell’s full climate →
About

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).

Fortuneswell’s listed buildings and monuments →

Type
Castle
Run by
English Heritage
Listed
Scheduled monument
Wikipedias
Covered in 10 languages
Town
in Fortuneswell
Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).
The map

Where Portland Castle is

The map centres on Portland Castle, in orange, with nearby places numbered.

12345678

© OpenStreetMap contributors · The dashed line is Fortuneswell’s built-up area. · ONS built-up area 2022

Towns near it

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.

12345678
  1. 1Fortuneswell
  2. 2Weston
  3. 3Grove
  4. 4Weymouth
  5. 5Southwell
  6. 6Chickerell
  7. 7Osmington
  8. 8Broadmayne
1 · It’s in town

Fortuneswell

4,554 people · 23 places to visit

2 · 1.7 km south of it

Weston

5,208 people · 17 places to visit

3 · 2 km southeast of it

Grove

1,032 people · 16 places to visit

4 · 2.2 km north of it

Weymouth

55,540 people · 26 places to visit

Compare the 8 towns
TownWhere Portland Castle isPeoplePlaces to visit
FortuneswellIt’s in town4,55423
Weston1.7 km south of it5,20817
Grove2 km southeast of it1,03216
Weymouth2.2 km north of it55,54026
Southwell3.6 km south of it1,70016
Chickerell7.1 km northwest of it3,97313
Osmington9.6 km northeast of it2086
Broadmayne13 km north of it6079
Make a day of it

More to see nearby

Within 15 km you can add 3 forts, 3 castles and 2 museums.

Within 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)

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.