Ash dieback (Chalara fraxinea) is a fungal disease killing ash trees across the UK. Dead ash trees are dangerous — they can fall without warning. Here's how to avoid affected areas when wild camping.
What Is Ash Dieback?
A fungal disease that kills ash trees. It causes leaf loss, crown dieback, and eventually death. Dead trees become brittle and can fall without warning.
Where Is It?
Ash dieback is widespread across the UK. It's particularly severe in:
- East Anglia: Norfolk, Suffolk, Essex
- South East: Kent, Sussex, Hampshire
- Midlands: Warwickshire, Northamptonshire
- Yorkshire: East Yorkshire, North Yorkshire
How to Identify Affected Trees
Symptoms
- Leaf loss: Leaves fall prematurely in summer
- Crown dieback: Branches at the top of the tree die
- Bark lesions: Dark spots or cracks in the bark
- Dead branches: Branches without leaves or bark
Dead Ash Trees
Dead ash trees are easy to spot:
- No leaves: Even in summer
- Bark falling off: Exposing pale wood
- Brittle branches: Snap easily
- Leaning: May be leaning or have fallen
Safety Risks
Falling Branches
Dead ash branches can fall without warning. They're heavy and can kill or injure.
Falling Trees
Dead ash trees can fall in wind. They're unpredictable and dangerous.
Fire Risk
Dead wood burns easily. Don't have campfires near dead ash trees.
How to Avoid Affected Areas
Check Forestry Commission Maps
The Forestry Commission has maps showing ash dieback affected areas. Check before you go.
Look for Dead Trees
If you see dead ash trees, move on. Don't camp near them.
Choose Open Areas
Camp in open areas away from trees. Meadows, fields, and clearings are safer.
Ask Locals
Local people know which forests are affected. Ask in pubs or shops.
Conclusion
Ash dieback is widespread. Dead ash trees are dangerous — they can fall without warning. Check Forestry Commission maps, look for dead trees, and camp in open areas away from trees.

