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Offaly · 17th–19th centuries

Birr Castle Demesne

A lived-in castle estate celebrated for its gardens, scientific collections and the great Leviathan telescope.

Birr Castle Demesne

Why visit

Step inside the story.

A lived-in castle estate celebrated for its gardens, scientific collections and the great Leviathan telescope.

Visitor access: The demesne is ticketed and publicly accessible; castle interiors open on limited seasonal tours.

Allow time for the setting as well as the buildings. Access to towers, interiors and upper floors can involve steps or restricted spaces, while opening days and guided-tour arrangements may change seasonally.

Highlights

  • Historic gardens and parkland
  • Great Telescope
  • Science Centre and seasonal castle tours

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