 Is it safe to light a campfire during the fire season? During the fire danger period a campfire is prohibited unless you follow these rules. Ensure winds are less than 10 kilometers per hour. The fire is lit in a properly constructed fireplace or in a trench at least 30 centimeters deep. There is a clearing of three meters around and above the fire. The fire is no larger than one square meter. A person able to extinguish the fire is in attendance at all times and the fire is completely extinguished before you leave.