King Charles's Castle
King Charles's Castle is a castle in Tresco, Isles of Scilly, Cornwall. Head 6.1 km northwest of Hugh Town to reach it. It is protected as a scheduled monument.
Castle near Hugh Town
Near Hugh Town
King Charles's Castle is 6.1 km northwest of Hugh Town. 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; Hugh Town has 70 listed buildings in all, on its History page. About ↓
Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.
Choosing a month
Expect highs of 18–20°C in Hugh Town from June to September.
King Charles's Castle
Care of the site is provided by English Heritage. 3 Wikipedia editions have an article on it. There are 16 more places to see within 15 km, beginning with Cromwell's Castle (200 m).
- Type
- Castle
- Run by
- English Heritage
- Listed
- Scheduled monument
- Wikipedias
- Covered in 3 languages
- Town
- 6.1 km northwest of Hugh Town
King Charles's Castle and what surrounds it
Orange shows King Charles's Castle; numbers mark the places near it.
© OpenStreetMap contributors · ONS built-up area 2022
Where to base yourself
Every one of these towns counts it as a place to visit.
Hugh Town
While you are near King Charles's Castle
Nearby, 16 places within 15 km include 2 castles, 2 forts and 2 museums.
Castle · English HeritageCromwell's Castle200 m away2
GardenTresco Abbey Gardens2.1 km away3
FortGrimsby Old Blockhouse1.6 km away4
Fort · English HeritageHarry's Walls5.9 km away5
MuseumValhalla Museum2.2 km away6
CastleStar Castle5.7 km away7
Abbey or priorySt. Nicholas Priory Ruins2.2 km away8
MuseumIsles of Scilly Museum6 km awayWithin 15 km, close and well known first. Numbers match the map.
Questions before you go
Where is King Charles's Castle?
King Charles's Castle is 6.1 km northwest of Hugh Town, Cornwall.
What is King Charles's Castle?
Castle in Tresco, Isles of Scilly, Cornwall, England, UK.
Who runs King Charles's Castle?
English Heritage, so members usually get in free; check opening times before you go.
When is the best time to visit King Charles's Castle?
June to September are the warmest months in Hugh Town, with afternoon highs of 18–20°C (Met Office 1991–2020 averages).
Is King Charles's Castle a listed building?
Yes: scheduled monument.
What else is there to see near King Charles's Castle?
Within 15 km: Cromwell's Castle (200 m), Tresco Abbey Gardens (2.1 km), Grimsby Old Blockhouse (1.6 km) and Harry's Walls (5.9 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)
- Cromwell's Castle: Public domain, Wikimedia Commons
- Tresco Abbey Gardens: Andrewrabbott at English Wikipedia, Public domain, Wikimedia Commons
- Grimsby Old Blockhouse: Lambert, CC BY-SA 2.0, Wikimedia Commons
- Harry's Walls: Bob Embleton, CC BY-SA 2.0, Wikimedia Commons
- Valhalla Museum: Stephen McKay, CC BY-SA 2.0, Wikimedia Commons
- Star Castle: David Purchase, CC BY-SA 2.0, Wikimedia Commons
- St. Nicholas Priory Ruins: Lambert, CC BY-SA 2.0, Wikimedia Commons
- Isles of Scilly Museum: Andrew Abbott, 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.