Mysterious Floating Island in Canadian Reservoir Reappears After Vanishing
A floating, forested island appeared in British Columbia's Williston Lake, one of the world's largest human-made reservoirs, in late July. The island, about 150 yards long and 75 yards wide, was first spotted by a boater and later confirmed by satellite imagery on July 21. It disappeared in mid-August but was found again on August 31, drifting nearly 20 miles northwest of its original location. B.C. Hydro, the utility operating the reservoir, initially suspected the photos were AI-generated, but corroborating eyewitness accounts and satellite images confirmed its existence. The island likely formed from logs and woody debris that accumulated over years, with vegetation taking root. Its movement may be due to the reservoir being at its highest level in 14 years, creating conditions to lift the island. However, geologist John Joseph Clague of Simon Fraser University remains skeptical, noting that erosion and tree collapse don't typically form such large mats. Marine ecologist Rebecca Helm of Georgetown University calls it a 'phenomenal sighting,' comparing it to historical floating islands like the Forty Acre Bog in Wisconsin. B.C. Hydro warns the island is unstable and unsafe to climb or land on. The island has generated international headlines and social media buzz, with B.C. Hydro posting updates on X (formerly Twitter).
Key facts
- A floating island appeared in Williston Lake, British Columbia, in late July.
- The island is about 150 yards long and 75 yards wide, nearly the size of two football fields.
- It was confirmed by satellite imagery on July 21.
- The island disappeared in mid-August and was found again on August 31, drifting about 20 miles northwest.
- B.C. Hydro initially thought photos were AI-generated but later confirmed the island's existence.
- The island may have formed from logs and woody debris that accumulated over years.
- The reservoir is at its highest level in 14 years, possibly lifting the island.
- Geologist John Joseph Clague is skeptical of the explanation.
- Marine ecologist Rebecca Helm calls it a 'phenomenal sighting' and compares it to historical floating islands.
- B.C. Hydro warns the island is unstable and unsafe to approach.
Entities
Artists
- Rocky Avery
- Bob Gammer
- John Joseph Clague
- Rebecca Helm
Institutions
- B.C. Hydro
- Simon Fraser University
- Georgetown University
- Canadian Broadcasting Corporation
- Guardian
- New York Times
- Canadian Press
- National Geographic
Locations
- Williston Lake
- British Columbia
- Canada
- Lake Chippewa
- Wisconsin
- United States