Local Forests and Nature Reserves

Local Forests
Council-managed nature reserves (including Sherradswood)
Heartwood Forest, Sandridge (Woodland Trust: largest newly planted native forest in England)

Forests around Welwyn Garden City (Woodland Trust link)

Local Nature Reserves
Digswell Lake Society 
Batford Springs 
Tewin Orchard 
Stanborough Reedmarsh (owned by Welywn Hatfield Borough Council)
Tewinbury 
Herts and Middlesex Wildlife Trust Nature Reserves Map

Environmental and Conservation Bodies
Herts and Middlesex Wildlife Trust 
Hertfordshire Natural History Society 

The Great British Elm Experiment 
The Woodland Trust 
The Conservation Foundation 
The National Trust’s “Top tips for wildlife-spotting”