Castle Cornet

Castle Cornet is an island castle in Guernsey, also known as Cornet Rock or Castle Rock. A former tidal island which has been one of the harbour breakwaters of St Peter Port’s since 1859.

The island is approximately two hectares in area (length 175 metres and width130 metres).

The island also has a restaurant, and hosts outdoor theatre performances during the summer months.

The castle has the following museums:

  • The Story of Castle Cornet
  • Maritime Museum
  • 201 Squadron RAF Museum
  • Royal Guernsey Militia Museum


Visit Castle Cornet


(Get directions)

Castle Cornet Photos


7 Day Weather Forecast

Expect a temp in the range 7.6℃ to 8.2℃ with wind speed 8 m/sec (ENE)
Monday, Feb 06fair_night
Expect a temp in the range 7.5℃ to 8℃ with wind speed 6.9 m/sec (E)
Tuesday, Feb 07clearsky_night
Expect a temp in the range 7.1℃ to 7.5℃ with wind speed 5.6 m/sec (E)
Wednesday, Feb 08clearsky_night
Expect a temp in the range 5.2℃ to 6.1℃ with wind speed 5.1 m/sec (E)
Thursday, Feb 09partlycloudy_night
Expect a temp in the range 7.2℃ to 8.3℃ with wind speed 6.6 m/sec (WSW)
Friday, Feb 10cloudy
Expect a temp in the range 8.3℃ to 9℃ with wind speed 4.6 m/sec (NNE)
Saturday, Feb 11clearsky_night
Expect a temp in the range 7.7℃ to 8.2℃ with wind speed 2.9 m/sec (SSE)

Saint Peter Port Town weather forecast from Yr, delivered by the Norwegian Meteorological Institute and NRK

Where to stay ...

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