Firefighters were called to Rock Park last night after a fire was started in a paper towel holder.
Barnstaple fire station sent two crews to the park just before 7pm after receiving a call from a member of the public.
There was a small fire in the towel holder in the public toilets next to the play area in the park.
The fire was extinguished shortly after.
A small amount of damage was caused and confined to the toilet cubicle it started in.