A tree- and vegetation-covered island appeared in the middle of Williston Lake, in British Columbia, Canada, and disappeared days later. The formation was approximately 10,000 square meters and was recorded by Rocky Avery, a longtime resident and navigator, who shared images on social media describing what he saw as something resembling a raft.
The phenomenon was later identified in satellite images. In records from July 21, a green and wooded area could be seen on the water, just a few meters from the shore. In images of the same location taken on August 5, the formation was no longer present.
The island does not appear permanently at the location, which caught the attention of residents and navigators in the region. Williston Lake is a reservoir formed by the damming of the Peace River, and this type of temporary formation may be related to variations in water levels or the movement of sediments and accumulated vegetation.




