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HUBBARD GLACIER
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From its source on Mount Logan in the Yukon territory,
Hubbard Glacier stretches 76 miles to the sea at Yakutat and Disenchantment
Bays. It is the longest tidewater glacier in Alaska, with an open calving
face over six miles wide.  Before
it reaches the sea, Hubbard is joined by the Valerie Glacier to the
west, which, through forward surges of its own ice, has contributed
to the advance of the ice flow that experts believe will eventually
dam the Russell Fiord from Disenchantment Bay waters.
The Hubbard Glacier ice margin has continued to advance for about a
century. In 1986, the glacier temporarily closed the connection between
Russell Fiord and Disenchantment Bay .
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