How long has silent hill been burning?

Silent Hill, the fictional town from the video game series, has been depicted as having been burning for several years due to a fire that occurred in the town. In the lore of the series, the fire was primarily linked to the events surrounding the cult activities and the tragic incident involving the Alessa Gillespie. While the exact duration is not explicitly stated, the fire serves as a critical element of the town's dark history and atmosphere. Overall, it symbolizes the town's haunted and tormented nature.