Castle Cornet (Saint Peter Port)

  • Information

    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


  • 7 Day Weather Forecast

    Our weather forecast for Saint Peter Port Town in Saint Peter Port is split into two widgets. The first shows a timeline containing temperature, wind, sunrise/sunset and chance of rain, whilst the second shows the forecast for the week ahead including severe weather alerts when available.

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