A 30-foot tree trunk known as the “Old Man of the Lake” has been floating vertically in Oregon’s Crater Lake for nearly 120 years
The Old Man of the Lake is a 30-foot (9 m) tall tree stump, most likely a hemlock, that has been bobbing vertically in Oregon’s Crater Lake since at least 1896.
The stump is about 2 feet (61 cm) in diameter at the waterline and stands approximately 4 feet (1.2 m) above the water, its surface has been bleached white by the elements.
The exposed end of the floating tree is splintered and worn but wide and buoyant enough to support a person’s weight.
Joseph S. Diller published the first geology of Crater Lake in 1902, the same year the area became a national park. In his work, Diller briefly describes a great stump he had found in the lake six years earlier.
Thus, it appears that in 1896, The Old Man floated just as it does now, giving it a documented age of 120 years (as of 2016).
The Old Man’s movements have long been observed. In 1896, Diller established that it could travel by tying baling wire around it and pulling it a short distance.
Five years later, Diller observed the Old Man to be 1⁄4 mile (400 m) from the location he had previously noted.The earliest known photograph of the trunk dates to this period.
As the result of an inquiry from Washington, D.C., the project of recording The Old Man’s location was undertaken between July 1 and September 30, 1938. Those observations indicated that it travels quite extensively, and sometimes with surprising speed.
During the period of observation in 1938, the Old Man traveled at least 62.1 miles (99.9 km). The greatest movements occurred on days of high wind and waves.
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Since it can be virtually anywhere on the lake, boat pilots commonly communicate its position to each other as a general matter of safety.
In 1988, submarine explorations were conducted in the lake, and the scientists decided to tie The Old Man off the eastern side of Wizard Island to neutralize the navigational hazard until their research work was complete.
As of January 2012, tour boats regularly pass The Old Man on their journeys to view the sights around Crater Lake. The entire submerged section of the tree’s trunk can be seen below the waterline.