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Mysterious island appears and disappears in British Columbia reservoir

  • Locals spotted a massive, tree-covered island in British Columbia's Williston Reservoir earlier this month, covering over 105,000 square feet and appearing to emerge mysteriously from open water.
  • Heavy mountain snowpack and steady rain brought the reservoir to full capacity for the first time in 14 years, lifting accumulated debris from the shore as water rose into previously dry areas.
  • Satellite images from July 21 captured the patch measuring about 140 meters long and 70 meters wide, nearly 9,800 square meters close to the size of two NFL football fields.
  • Although the object vanished from satellite view by August 5, B.C. Hydro spokesman Bob Gammer said it likely returned to a sheltered shoreline area; a resident spotted it again on Sunday, Aug. 30, near Peace Reach.
  • Officials do not expect the mass to affect energy operations, though floating debris poses navigation hazards for boaters. B.C. Hydro continues annual aerial surveys to identify and remove such material from the waterway.
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A new floating island appeared on the surface of Canada's Williston Lake in late July. Local resident Rocky Avery captured it on video and its existence was confirmed by satellite imagery. However, the island disappeared in the following days, but Avery discovered it again in late August. In a different location.

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First of all, the participants consider the images to be AI forgeries. Then satellites confirm a tree-covered island in the Williston reservoir in Canada - about 9800 square meters in size. A few days later, it disappeared again.

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Mashable broke the news in New York, United States on Monday, August 31, 2026.
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