Rex River

Rex River
Rex River is located in Washington (state)
Rex River
Location of the mouth of the Rex River in Washington
Rex River is located in the United States
Rex River
Rex River (the United States)
Location
CountryUnited States
StateWashington
CountyKing
Physical characteristics
SourceCascade Range
 • coordinates47°18′7″N 121°36′9″W / 47.30194°N 121.60250°W / 47.30194; -121.60250[1]
MouthCedar River
 • location
Chester Morse Lake
 • coordinates
47°22′43″N 121°41′48″W / 47.37861°N 121.69667°W / 47.37861; -121.69667[1]
Basin size13.4 sq mi (35 km2)[2]
Discharge 
 • locationriver mile 3.0[2]
 • average100 cu ft/s (2.8 m3/s)[2]
 • minimum3.0 cu ft/s (0.085 m3/s)
 • maximum4,200 cu ft/s (120 m3/s)

The Rex River is a river in the U.S. state of Washington. It originates near the crest of the Cascade Mountains and flows northwest to join the Cedar River in the Chester Morse Lake reservoir. The Cedar River flows to Lake Washington and, ultimately, Puget Sound. Tributaries of the Rex River include Pine Creek, Lindsay Creek, and Boulder Creek.

The Rex River is entirely contained within the Cedar River Municipal Watershed, an area managed by the City of Seattle which provides two-thirds of the water supply for the greater Seattle metropolitan region.[3][4]

  1. ^ a b U.S. Geological Survey Geographic Names Information System: Rex River
  2. ^ a b c "Annual Water-Data Report, USGS 12115500 Rex River near Cedar Falls, WA" (PDF). USGS. Retrieved 27 August 2009.
  3. ^ "Cedar River Watershed". Seattle Public Utilities. Retrieved 27 August 2009.
  4. ^ "Cedar River Watershed". USGS. Retrieved 27 August 2009.