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mapping the UK's ancient
& special trees

The Ancient Tree Inventory is a living database of ancient and special trees. More than 110,000 trees have been recorded by volunteers and partners.

- support biodiversity
- help tree protection
- propogate ancient tree seed


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Ancient Tree ForumThe Tree Register

Woodland Trust

Welcome to the Ancient Tree Inventory

Take a look at the map to see the trees recorded in your area.

If you would like to add a tree to the inventory the record a tree page will help you get started.

Ancient tree in winter by Ted Green

Wood Wise – citizen science

Wood Wise

This issue looks at a variety of citizen science projects; like high-energy Bioblitz events, monitoring climate change impacts, recording seasonal change and activities to protect our trees from pests and disease.


10m tree found in the Brecon Beacons

10m tree in the Brecon Beacons

It’s not every day you stumble across a previously unrecorded ancient oak with a girth of 10m, but this is exactly what happened to Bruce McDonald and his friend.

click to view the map

Record trees on the ATH database

trees verified to date
Scotland Scotland Northern Ireland Wales North West North West North East Yorkshire West Midlands Eastern East Midlands South East South West Greater London Empty UK Map

You can search the AT Inventory for ancient trees using road maps, OS 1:25000 or historic OS maps, as well as aerial satellite layers for even more detail.

Navigate using zoom or search with postcode, town/city or grid reference.

Search the ATH maps