Napa River
The Napa River in Napa, as viewed from COPIA
Country	United States
State	California
Major city	Napa
Length	55 mi (89 km) [1]
Watershed	426 mi² (1,103 km²) [2]
Source	Mount Saint Helena
- location	Mayacmas Mountains [4]
- coordinates	38°39′52″N 122°37′14″W / 38.66444, -122.62056 [4]
- elevation	3,745 ft (1,141 m) [5]
Mouth	Carquinez Strait
- location	San Pablo Bay
- coordinates	38°4′12″N 122°14′38″W / 38.07, -122.24389 [4]
- elevation	0 ft (0 m)
Major tributaries
- left	Milliken Creek

The Napa River, approximately 55 miles (89 km) long, is a river in the U.S. state of California. It drains a famous wine-growing region, called the Napa Valley, in the mountains northeast of San Francisco. Milliken Creek is a tributary of the Napa River. Image File history File linksMetadata Download high-resolution version (1024x768, 373 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Napa River Metadata This file contains additional information, probably added from the digital camera or scanner used to... Napa is the county seat of Napa County, California. ... copia may refer to: The ancient city also called Thurii Copia (latin) COPIA: The American Center for Wine, Food and the Arts Copia (album) by the artist Eluvium (musician) Category: ... Official language(s) English Capital Sacramento Largest city Los Angeles Area  Ranked 3rd  - Total 158,302 sq mi (410,000 km²)  - Width 250 miles (400 km)  - Length 770 miles (1,240 km)  - % water 4. ... Napa is the county seat of Napa County, California. ... A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. ... km redirects here. ... A square mile is an English unit of area equal to that of a square with sides each 1 statute mile (≈1,609 m) in length. ... Square kilometre (U.S. spelling: square kilometer), symbol km², is a decimal multiple of SI unit of surface area square metre, one of the SI derived units. ... For the volcano in Washington state, USA see Mount St. ... The Mayacmas Mountains are located in northwestern California in the United States. ... A foot (plural: feet or foot;[1] symbol or abbreviation: ft or, sometimes, ′ – a prime) is a unit of length, in a number of different systems, including English units, Imperial units, and United States customary units. ... The metre (American English:meter) is a measure of length. ... Carquinez Strait The Carquinez Strait is a narrow tidal strait in northern California. ... San Pablo Bay is a shallow tidal estuary that forms the northern extension of San Francisco Bay in northern California in the United States. ... A foot (plural: feet or foot;[1] symbol or abbreviation: ft or, sometimes, ′ – a prime) is a unit of length, in a number of different systems, including English units, Imperial units, and United States customary units. ... The metre (American English:meter) is a measure of length. ... Milliken Creek is a stream in Napa County, California that is tributary to the Napa River. ... This bridge across the Danube River links Hungary with Slovakia. ... Federal courts Supreme Court Circuit Courts of Appeal District Courts Elections Presidential elections Midterm elections Political Parties Democratic Republican Third parties State & Local government Governors Legislatures (List) State Courts Local Government Other countries Atlas  Politics Portal      A U.S. state is any one of the fifty subnational entities of the... Official language(s) English Capital Sacramento Largest city Los Angeles Area  Ranked 3rd  - Total 158,302 sq mi (410,000 km²)  - Width 250 miles (400 km)  - Length 770 miles (1,240 km)  - % water 4. ... A glass of red wine This article is about the alcoholic beverage. ... Napa County is in north-central California Napa Valley is most famous for its wine. ... Nickname: Location of the City and County of San Francisco, California Coordinates: , Country United States of America State California City-County San Francisco Founded 1776 Government  - Mayor Gavin Newsom Area  - City  47 sq mi (122 km²)  - Land  46. ... Milliken Creek is a stream in Napa County, California that is tributary to the Napa River. ...

Course

Aerial view of the southern end of the Napa River in the Napa-Sonoma Marsh

The Napa River rises in northwestern Napa County south of Mt. St. Helena in the Mayacamas Mountains of the California Coast Ranges. It flows south for 4 miles (6 km), entering the head of the slender Napa Valley north of Calistoga. In the valley it flows southeast past Calistoga, St Helena, Rutherford, Oakville and through Napa, its head of navigation. Downstream from Napa, it forms a tidal estuary, entering Mare Island Strait, a narrow channel on the north end of San Pablo Bay. Where the Napa River discharges to the San Pablo Bay is a large wetland known as the Napa Sonoma Marsh. The Napa River watershed encompasses approximately 426 square miles (1,103 km²). Image File history File links Size of this preview: 800 × 534 pixelsFull resolution (1500 × 1001 pixel, file size: 469 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Size of this preview: 800 × 534 pixelsFull resolution (1500 × 1001 pixel, file size: 469 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... “Napa Valley” redirects here. ... For the volcano in Washington state, USA see Mount St. ... The Mayacamas Mountains are located in northwestern California in the United States. ... The Pacific Coast Ranges are the series of mountain ranges that stretch along west coast of North America from Alaska to Mexico. ... Location in California Founded  -Incorporated Jan. ... Rutherford is an unincorporated community in Napa County, California, United States. ... Oakville is an unincorporated community in Napa County, California, United States. ... Napa is the county seat of Napa County, California. ... Head of navigation is a term used to describe the farthest point above the mouth of a river that can be navigated by ships. ... An estuary is a semi-enclosed coastal body of water which has a free connection with the open sea and within which sea water mixes with fresh water. ... San Pablo Bay is a shallow tidal estuary that forms the northern extension of San Francisco Bay in northern California in the United States. ... The Napa Sonoma Marsh is a wetland at the northern edge of San Pablo Bay, which is a northern arm of the San Francisco Bay in California, USA. This marsh has an area of 48,000 acres, of which 13,000 acres are abandoned salt evaporation ponds. ...

Natural history

Known for the vineyards in its valley, the river also provides a habitat for salmon and steelhead. Although Chinook salmon still spawn in the river, the Coho salmon population is extinct in the river and the steelhead population and splittail have been greatly reduced in recent years. A common vineyard. ... Illustration of a male Coho Salmon The Chinook or King Salmon is the largest salmon in North America and can grow to 1. ... It has been suggested that Steelhead be merged into this article or section. ... Binomial name (Walbaum, 1792) The Chinook salmon (Oncorhynchus tshawytscha) (derived from Russian чавыча), is a species of anadromous fish in the salmon family. ... Binomial name Oncorhynchus kisutch (Walbaum, 1792) The Coho salmon (Oncorhynchus kisutch, from the Russian кижуч kisutch) is a species of anadromous fish in the salmon family. ... Binomial name Pogonichthys macrolepidotus (Ayres, 1854) The splittail, or Sacramento splittail, Pogonichthys macrolepidotus, is a cyprinid fish native to the low-elevation waters of the Central Valley in California. ...

Napa Flood of 1986

Main article: Napa River flood of 1986

In 1986, the worst of 23 floods recorded since 1865 on the Napa River occured, and 5,000 people were evacuated, 250 homes were destroyed, and three people died. The Napa River flood of 1986 was the worst flood ever recorded in Napa, California. ...

Napa River-Napa Creek Flood Protection Project

After the devastating flood of 1986, the dormant Napa River Flood Project was revitalized. The Project underwent a lengthy redesign and was approved by the local voters in 1998. Construction began in 2000 and is expected to continue through 2011 or later. The Napa River-Napa Creek Flood Protection Project is a Civil Works project of the US Army Corps of Engineers in the city of Napa, California. ...

References

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External links

• Napa River Watershed
• UCSB: Napa Watershed
• Napa River Flood Project