Police are appealing for information following significant damage to areas of Jenkin's Forest, Cooneen, Brookeborough caused by a fire which is believed to have been ignited "intentionally".
The incident occurred on Monday, June 20 at approximately 4pm.
A PSNI spokesperson said: "If anyone has seen anyone acting suspicious in the area, please contact 101, referencing 665 210622.
"The fire is believed to have started on the boardwalk or close by intentionally.
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"The environmental impact cannot be understated, as well as the £30,000 of damage caused to a recently installed recycled plastic boardwalk."
Four hectares of forest, equivalent to four football pitches, was damaged by the blaze, with ground nesting breeding birds such as skylarks in danger in a priority habitat.
This area is also part of a blanket bog in a special protected area.
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