Hamma Hamma River

Coordinates: 47°32′44″N 123°2′30″W / 47.54556°N 123.04167°W / 47.54556; -123.04167
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Hamma Hamma River
Hamma Hamma River is located in Washington (state)
Hamma Hamma River
Location of the mouth of the Hamma Hamma River in Washington
CountryUnited States
Physical characteristics
SourceOlympic Mountains
 • coordinates47°34′1″N 123°19′5″W / 47.56694°N 123.31806°W / 47.56694; -123.31806[1]
MouthHood Canal
 • coordinates
47°32′44″N 123°2′30″W / 47.54556°N 123.04167°W / 47.54556; -123.04167[1]
 • locationnear Eldon[2]
 • average364.4 cu ft/s (10.32 m3/s)[2]
 • minimum39 cu ft/s (1.1 m3/s)
 • maximum6,010 cu ft/s (170 m3/s)

The Hamma Hamma River is a river on the Olympic Peninsula in the U.S. state of Washington. It rises near Mount Washington in the Olympic Mountains within the Olympic National Park and drains to Hood Canal and thence to the Pacific Ocean.

The name Hamma Hamma comes from a Twana village once located at the river's mouth and called Hab'hab, referring to a reed that grows along the river's banks.[3]

See also[edit]


  1. ^ a b U.S. Geological Survey Geographic Names Information System: Hamma Hamma River
  2. ^ a b "Historical data, water years 1951-1971, for USGS gage 12054500, Hamma Hamma River near Eldon, WA". USGS. Retrieved 3 August 2009.
  3. ^ Phillips, James W. (1971). Washington State Place Names. University of Washington Press. ISBN 0-295-95158-3.

External links[edit]