Fire crews were called out to a large fire in Thetford Forest at Santon Downham, near Brandon.
The incident, which started shortly before 3.45pm on Monday, involved an area of forest near the A134.
A spokesman for Norfolk Fire and Rescue Service said the area affected measured 1,200sqm.
Fire crews from Thetford, Watton and Attleborough attended the scene as well as a water carrier from Fakenham, support unit from Thetford and the fire service drone.
The crews left the scene at 7.01pm.
Monday was the hottest day of the year so far with temperatures peaking at 33.3C (91.9F) in Santon Downham.
The Forestry Commission has said the forest is currently on an extreme fire danger warning. Visitors are being asked to respect the forest to keep it safe.
Disposable barbecues are not permitted in the forest and cigarettes should be put out and disposed of properly and safely.
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