Never
1 to 4 times
5 -20 times
More frequently
Bedford Purlieus National Nature Reserve
Collyweston Great Wood NNR (permit required)
Collyweston Quarries (Wildlife Trust)
East Carlton Countryside Park
Easton Hornstocks NNR (permit required)
Fermyn Woods Country Park
Fineshade Wood (Forestry England)
Glapthorn Cow Pasture (Wildlife Trust)
Hazel and Thoroughsale Woods, Corby
Kings Wood, Corby (Wildlife Trust)
Kirby Hall (English Heritage)
Millenium Wood, Kings Cliffe (Woodland Trust)
Old Sulehay and Ring Haw (Wildlife Trust)
Short and Southwick Woods (Wildlife Trust)
Southwick Wood (Forestry England)
Wakerley Wood (Forestry England)