Massive tree-covered floating island mysteriously reappears twenty miles away in Canada

A tree-covered island that vanished from a remote Canadian reservoir has reappeared—20 miles away from where it was last seen. The mysterious floating island on British Columbia's Williston Reservoir became famous across Canada before disappearing. Now, WMUR reports it has surfaced again, larger than ever and in a completely different location.
The island measures roughly 460 feet long and 230 feet wide. Scientists believe decades of logs and woody debris piled up in sheltered spots, with vegetation taking root to form a stable, floating mass. WGAL notes that satellite images, aircraft spotters, and boater reports helped locate the phantom island this time around.
The island is not solid ground. Instead, it formed when wood debris accumulated over many years in sheltered areas of the reservoir. Vegetation took root in this driftwood pile. The interconnected logs, debris, and plant roots created enough stability to support trees and plants, turning garbage into a real island.
This process is not uncommon in large reservoirs. Water currents and seasonal changes move the floating mass around. WCVB explains that the island's ability to drift means it can appear in new locations, vanish from old ones, and travel significant distances across the water.
Finding a moving island is harder than it sounds. Experts used three main tools: satellite images from space, observations from small aircraft flying overhead, and reports from people boating on the reservoir. Each piece of data helped narrow down where the phantom island was hiding.
KETV reports that the combination of these methods worked where casual searching had failed. Satellite imagery proved especially useful for spotting the large tree-covered mass against the blue water. Once located, the island quickly became a point of interest again for locals and media.
BC Hydro, which operates the reservoir, issued strict warnings. People should not approach the island by boat or drone. They absolutely cannot land on it or walk around it. The agency worries about safety—the floating debris could shift, become unstable, or break apart under weight.
KMBC notes that the island may not stay in one place for long. Water currents and wind could move it again. So even if it's spotted near a town today, it might drift 20 miles away next month. For now, the phantom island remains a curiosity best admired from a safe distance.
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