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Castle Cornet

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St Peter Port·Attraction

Story

Built c. 1206-1256 as a Norman castle on a tidal island. Survived French sieges (1338, 1380), held for Royalists during the English Civil War for 9 years (1642-1651), keep destroyed by lightning strike on magazine in 1672 killing the Governor's wife. Used by German forces in WWII. Protected Monument since 1938 (ref PM74). Gifted to the people of Guernsey by the Crown in 1947.

Castle Cornet is an 800-year-old castle standing at the mouth of St Peter Port harbour. It houses the Story of Castle Cornet, the 201 Squadron Museum, the Royal Guernsey Light Infantry Museum, and the Royal Guernsey Militia Museum. —

This profile was assembled by software from the sources cited on this page. If something here is wrong, email hello@island.gg — corrections are made to the record.

Specialises in6

Each capability links to every business in the Bailiwick that shares it.

Guided tours

Bespoke guided tours and excursions for individuals and groups.

Quick facts

Legal form
States Entity
Heritage designation
Protected Monument

From their website

Original phrasing from their website — lines covered by a capability above appear within its card.

  • Four museums (Story of Castle Cornet, 201 Squadron RAF Museum, Royal Guernsey Light Infantry Museum, Royal Guernsey Militia Museum)
  • four period gardens (inferred from the source page)
  • daily noon-day gun ceremony (inferred from the source page)
  • self-guided children's trails (inferred from the source page)
  • dressing up area
  • Cafe Maeva

Hours

25 March to 6 September 2026: 10:00-17:00 daily including bank holidays

Last checked 27 March 2026·visitguernsey.com

Contact

Phone
+44 1481 226518
Email
museums@gov.gg
Website
museums.gov.gg/CastleCornet
Social
Address
Castle Emplacement, St Peter Port, Guernsey GY1 1AU

Location

Directions ↗

Compiled from public sources — mistakes are possible. If something here looks wrong, let us know.

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