Abyss Lake

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A Landsat image of part of the Glacier Bay National Park and Preserve, with the Brady Glacier in the left foreground, August 1, 1999.
Abyss Lake
Location Southeastern Alaska
Coordinates 58°30′31″N 136°36′55″W / 58.50861°N 136.61528°W / 58.50861; -136.61528Coordinates: 58°30′31″N 136°36′55″W / 58.50861°N 136.61528°W / 58.50861; -136.61528
Primary inflows Brady Glacier
Primary outflows Dundas River
Basin countries United States
Surface elevation 883 ft (269 m)

Abyss Lake is a lake in southeastern Alaska.[1] Lying on the eastern side of the Brady Glacier, it receives meltwater from it, which in turn flows into the Dundas River, Dundas Bay, Cross Sound and thence into the Pacific.

A part of the Glacier Bay National Park and Preserve, its water is regularly blocked by an ice dam. When such a dam breaks in a glacial lake outburst flood, much of the lake's water is propelled into Dundas Bay, along with trees, ice chunks, and sediment. This has happened in 1994, 1997, 1998, 2000, 2001, 2005, and again in September 2006.[2]

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