Work to remove dead trees in Ham Hill Country Park will get underway next month.
Steps to remove the diseased ash trees are part of Somerset Council's initiative in the 24-acre Hedgecock Wood, which has been severely affected by Ash Dieback disease.
The project, which has been approved by the Forestry Commission, is deemed essential for health and safety reasons.
The Duchy of Cornwall, which owns Hedgecock Wood, has contracted the work to be carried out.
The majority of the diseased ash trees will be removed starting near the western end of Hedgecock Wood.
This is adjacent to the northern public right of way, where a small number of suppressed sycamore trees and some collapsed conifers will also be felled.
Work will commence on September 9.
Public notices will be displayed at various points approaching the site during the operation.
Walkers and riders are asked to adhere to the alternative routes outlined.
Councillor Dixie Darch, lead member for climate change and environment, said: "While it’s regrettable that some trees must be felled, this action is essential for visitor safety and the long-term sustainability of Hedgecock Wood.
"By addressing the immediate risks posed by Ash Dieback Disease and planning for future replanting with a diverse range of native species, the wood’s natural beauty and ecological health will be preserved for generations to come."
Somerset Council’s countryside manager, Rachael Whaites, added that the timing of these works is essential to minimise disturbance to wildlife and prevent damage to the Iron Age earthworks.
She said: "In the long term, removing diseased ash trees and thinning the conifers will enhance biodiversity in this woodland area by allowing more light to reach the ground.
"This will encourage the growth of plants and flowers like wood avens, wild garlic, and harts tongue ferns.
"By improving woodland diversity, we contribute to its resilience for the future."
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