On his return journey, Cook said, he was unable to reach his outward
because an unknown current drifted him far to the west.
it became known that a westward flowing current does pass through the
that Cook would have traversed on his described return route. This has
advanced as positive evidence of the authenticity of his
But he might have discovered it by a journey of less than 100 miles to
northwest, which is exactly the extent of his journey indicated in his
notebooks. (Peary’s protégé,
Donald MacMillan, on just
such a journey in 1914 noted a strong tide or current at the place he
back.) Or it could have been just a lucky expedient, since Cook's story
it necessary that he be carried west to explain his inability to reach
Heiberg Land and his subsequent absence over the next winter.
above Ellesmere Island