The Alnwick Garden

Parks ·Alnwick ·Closed
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#12Things to do in Alnwick Northumberland EnglandMost reviewed in Alnwick
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About

The Alnwick Garden is a formal garden complex on the east flank of Alnwick Castle in Alnwick, Northumberland, England, with themed gardens around a central water cascade.

Menu & prices

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The Alnwick Garden

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What's on here

Why go

  • The Sage Wealth Management Grand Cascade has 120 water jets.
  • The Treehouse sits 18 metres above the ground among lime trees.

Opening hours

Today10:00 – 17:00Show all
Monday10:00 – 17:00
Tuesday10:00 – 17:00
Wednesday10:00 – 17:00
Thursday10:00 – 17:00
Friday10:00 – 17:00
Saturday10:00 – 17:00
Sunday10:00 – 17:00

Don't miss

  • Poison GardenMore than 100 plant varieties, including hemlock, foxglove and deadly nightshade. Guided tours discuss poison, high-profile murders and poisonous plants found in home gardens; cannabis, coca and opium poppy support drug education.Within the gardens; entry is with a guide and after a safety briefing.
  • Sage Wealth Management Grand CascadeThe cascade is the centrepiece around which the themed plantings are arranged.At the centre of the themed gardens.
  • TreehouseDuring the 2026–2027 Christmas season, it serves a festive set menu at lunch and dinner, alongside an à la carte menu.Among lime trees.2026–2027 Christmas season
  • Ornamental Garden and Rose GardenThese traditional gardens honour the site’s history.Within the gardens.
  • Bamboo LabyrinthOne of the garden’s themed features.Within the gardens.

Shorts

History

The 12th Duke donated the 42-acre site and contributed £9 million towards redevelopment. Earlier plant collecting brought seeds from around the world, with pineapples grown in greenhouses.

  1. 1750The 1st Duke of Northumberland laid out the first garden and hired Capability Brown to landscape the parkland.
  2. 19th centuryThe 3rd Duke collected plants and developed the gardens. The 4th Duke added an Italianate garden and conservatory.
  3. 1950The gardens closed as a working garden.
  4. 1997Jane Percy, Duchess of Northumberland, began redevelopment with Belgian landscape designers Jacques and Peter Wirtz.
  5. October 2001The first redevelopment phase opened, creating the cascade and beginning garden planting.
Show all
  1. 22 December 2004The 560-square-metre treehouse complex opened to the public with a café.
  2. February 2005The Poison Garden was added.
  3. May 2006The pavilion and visitor centre opened, designed by Michael Hopkins and Buro Happold.

Sources: Alnwick Garden - Wikipedia · Alnwick - Wikivoyage (see) · The Alnwick Garden Homepage - The Alnwick Garden · The Alnwick Garden 2026 Booking - The Alnwick G… · The Alnwick Garden Opening Times and Prices - T… · The Alnwick Garden Festive Menu at The Treehous… · Alnwick Garden - Wikipedia · Alnwick Garden - Wikipedia · checked 6 Oct 2026

Where
Denwick Lane, Alnwick

Plan from here: Evening walk →

Questions and answers

What are The Alnwick Garden’s opening hours?

It is open daily from 10:00 to 17:00 and closed on 25 December.

Can children play in the fountains at The Alnwick Garden?

Yes. The modern fountains are designed for children to play in.

Can you visit the Poison Garden at The Alnwick Garden on your own?

No. Visitors enter with a guide and after a safety briefing.

Where is the entrance address?

Denwick Lane, Alnwick, Northumberland.

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