Issaquah Creek () is a small stream flowing through the city of

Issaquah Issaquah ( ) is a city in King County, Washington, United States. The population was 40,051 at the 2020 census. Located in a valley and bisected by Interstate 90, the city is bordered by the Sammamish Plateau to the north and the " Issaquah ...

and nearby communities, in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

. Its

headwaters The headwater of a river or stream is the geographical point of its beginning, specifically where surface runoff water begins to accumulate into a flowing channel of water. A river or stream into which one or many tributary rivers or streams flo ...

are on the slopes of

Cougar The cougar (''Puma concolor'') (, ''Help:Pronunciation respelling key, KOO-gər''), also called puma, mountain lion, catamount and panther is a large small cat native to the Americas. It inhabits North America, North, Central America, Cent ...

, Squak,

Tiger The tiger (''Panthera tigris'') is a large Felidae, cat and a member of the genus ''Panthera'' native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes. It is ...

, and Taylor mountains in the

Issaquah Alps The Issaquah Alps is the unofficial name for the highlands near Issaquah, Washington, a suburb of Seattle, including Cougar Mountain, Squak Mountain, Tiger Mountain, Taylor Mountain, Rattlesnake Ridge, Rattlesnake Mountain, and Grand Ridge. Th ...

. Tributaries of Issaquah Creek include Holder Creek, Carey Creek, Fifteen-mile Creek, McDonald Creek, East Fork Issaquah Creek, and North Fork Issaquah Creek. The creek empties into the south end of

Lake Sammamish Lake Sammamish is a freshwater lake east of Seattle in King County, Washington, United States. The lake is long and wide, with a maximum depth of and a surface area of . It lies east of Lake Washington and west of the Sammamish Plateau, a ...

. The lake's outlet is the

Sammamish River The Sammamish River (also known as Sammamish Slough) flows through north King County, Washington for about , draining Lake Sammamish into Lake Washington. Along its course, the Sammamish River flows through Redmond, Woodinville, Bothell, and ...

, which in turn empties into

Lake Washington Lake Washington () is a large freshwater lake adjacent to the city of Seattle, Washington, United States. It is the largest lake in King County, Washington, King County and the second largest natural lake in the state of Washington (state), Was ...

and ultimately

Puget Sound Puget Sound ( ; ) is a complex estuary, estuarine system of interconnected Marine habitat, marine waterways and basins located on the northwest coast of the U.S. state of Washington (state), Washington. As a part of the Salish Sea, the sound ...

. Issaquah Creek's

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

is over 75% forest land and less than 10% urbanized or cleared. The basin is one of the three most significant in urbanizing

King County King County is a county located in the U.S. state of Washington. The population was 2,269,675 in the 2020 census, making it the most populous county in Washington, and the 12th-most populous in the United States. The county seat is Seattle ...

. The upper and middle portions of the basin have been identified as a Regionally Significant Resource area due to their exceptional fish habitat and undeveloped character. The entire basin is an important

salmon Salmon (; : salmon) are any of several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the genera ''Salmo'' and ''Oncorhynchus'' of the family (biology), family Salmonidae, native ...

migration and spawning area. Carry Creek and Holder Creek, in the upper Issaquah Creek basin, provide particularly excellent

salmonid Salmonidae (, ) is a family of ray-finned fish, the only extant member of the suborder Salmonoidei, consisting of 11 extant genera and over 200 species collectively known as "salmonids" or "salmonoids". The family includes salmon (both Atlantic a ...

habitat. Every October people gather on its shores (especially during Issaquah's Salmon Days Festival, which has several viewpoints staffed wit
Friends of Issaquah Salmon Hatchery FISH
docents explaining the salmon run) to watch the salmon traveling upstream. and by the local

Native Americans Native Americans or Native American usually refers to Native Americans in the United States. Related terms and peoples include: Ethnic groups * Indigenous peoples of the Americas, the pre-Columbian peoples of North, South, and Central America ...

.. Issaquah Creek and its tributaries support

Chinook Chinook may refer to: Chinook peoples The name derives from a settlement of Indigenous people in Oregon and Washington State. * Chinookan peoples, several groups of Indigenous people of the Pacific Northwest ** Chinook Indian Nation, an organiza ...

coho COHO, short for Coherent Oscillator, is a technique used with radar systems based on the cavity magnetron to allow them to implement a moving target indicator display. Because the signals are only coherent when received, not transmitted, the concept ...

salmon (and resident kokanee),

coastal cutthroat trout The coastal cutthroat trout (''Oncorhynchus clarkii'', sometimes referred as ''Oncorhynchus clarkii clarkii''), also known as the sea-run cutthroat trout, blue-back trout or harvest trout, is one of the four speciesTrotter, Patrick; Bisson, Pete ...

. Chinook and coho are reared by the state Issaquah Salmon Hatchery, located three miles upstream from the creek's mouth. The hatchery has been releasing Chinook salmon into Issaquah Creek since 1936. Each Spring the hatchery releases approximately 500k coho (April 1) and 2.7 million Chinook smolts (in May) have been released each year.

References

External links

Issaquah Creek Subarea Map
King County Water & Land Resources Division
Issaquah Creek Basin Map
King County DNRP/WLR GIS {{authority control Rivers of King County, Washington Rivers of Washington (state)

See also

References

Further reading

External links