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Birr Castle Demesne & Historic Science Centre
Birr Co. Offaly
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Discover fun family activities at Birr Castle Demesne and Gardens. Explore the glorious gardens, and stop off at the Historic Science Centre to see the incredible Great Telescope.

Explore Birr Castle Demesne, it's the home of the Parsons family descended from the Earl of Rosse. See the stunning gardens with roses, wisteria, magnolias and towering box hedges. Bask in spectacular views of the castle from the outdoor terraces and check out the water features with a lake, waterfall and rivers dotted throughout the grounds.

Visit the Historic Science Centre and view the Great Telescope, built by the Third Earl of Rosse and still functioning today. When completed in 1845, the Birr Castle Great Telescope was the largest telescope on earth, capable of seeing further into space than any telescope had done before.

The Castle tour includes a one hour guided tour of the reception rooms of Birr Castle with access to the Science Centre, the Great Telescope and the gardens.