trends NW to its terminus, 1.5 mi. E of head of Harriman Fiord, 18 mi. NE of Whittier, Chugach Mts.
Descriptive name given in 1899 by the members of the Harriman Alaska Expedition; probably named because the glacier trends down a progressively narrowing valley.
Port Wells, Bettles Bay, Blackstone Bay, Emerald Bay, Entry Cove, Harriman Fiord, Harrison Lagoon, Hobo Bay, Hollow Bight, Hummer Bay, Logging Camp Bay, Passage Canal, Pigot Bay, Pirate Cove, Poe Bay, Serpentine Cove, Shotgun Cove, Squirrel Cove, Surprise Cove, Surprise Inlet, Ziegler Cove,
Capes:Point Pigot, Point Cochrane, Blackstone Point, Bur Point, Decision Point, Gradual Point, Neptune Point, Slope Point, Squirrel Point, Strong Point, Trinity Point,
Channels:Glaciers:Baker Glacier, Bettles Glacier, Billings Glacier, Cascade Glacier, Cataract Glacier, Detached Glacier, Dirty Glacier, Harriman Glacier, Penniman Glaciers, Pigot Glacier, Roaring Glacier, Serpentine Glacier, Seth Glacier, Stairway Glacier, Surprise Glacier, Toboggan Glacier, Wedge Glacier,
Islands:Mine:Granite Mine, Lansing Mine, Portage Mine,
Mountains:Mount Doran, Mount Gilbert, Mount Muir, Pigot Benchmark,
Parks:Bettles Bay State Marine Park, Decision Point State Marine Park, Entry Cove State Marine Park, Surprise Cove State Marine Park, Ziegler Cove State Marine Park,
Peaks:Streams: