It was around 19.00 on Monday that the rescue service was alerted to a fire on Mattisberget in Gammelstad in Luleå.
The forest fire is located next to an electric light trail and has a scope of around 15 square meters.
The rescue service is on its way to the scene and according to SOS Alarm, there is a risk that the fire will spread.
Helicopter helps
It is also burning on Gunnarsberget in Luleå.
It is unclear how extensive the fire is as the fire site is inconvenient.
A helicopter has been called in to help with the extinguishing work.
According to SOS Alarm, people who have seen the fire from a long distance have called in.