View source for Hog Island (Petaluma River)

{{Short description|Island in the Petaluma River in Sonoma County, California}}
{{distinguish|Hog Island (Tomales Bay)|Hog Island (San Joaquin County)}}
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{{Use American English|date=February 2026}}
{{Infobox islands
| name                    = Hog Island
| image                   = 
| image_size              = 
| image_caption           = 
| image_alt               = 
| pushpin_map             = United States San Francisco Bay Area#USA California#USA
| pushpin_label           = 
| pushpin_label_position  = 
| pushpin_alt             = 
| pushpin_relief          = 
| pushpin_caption         = 
| coordinates             = {{coord|38|09|33|N|122|32|18|W|region:US-CA_source:gnis-225400_type:isle_scale:25000|display=it|notes=<ref name="gnis" />}}
| location                = [[Northern California]]
| waterbody               = [[Petaluma River]]
| area_sqmi               = <!-- or |area_sqft= or |area_acre= -->
| length_mi               = <!-- or |length_ft= -->
| length_footnotes        = 
| width_mi                = <!-- or |width_ft= -->
| width_footnotes         = 
| coastline_mi            = <!-- or |coastline_ft= -->
| coastline_footnotes     = 
| elevation_ft            = 
| elevation_footnotes     = 
| country                 = United States
| country_admin_divisions_title = State
| country_admin_divisions = {{flag|California}}
| country_admin_divisions_title_1 = County
| country_admin_divisions_1 = [[Sonoma County, California|Sonoma]]
| country_admin_divisions_title_2 = 
| country_admin_divisions_2 = 
}}
'''Hog Island''' is an island in the wetlands of the [[Petaluma River]] in [[Sonoma County, California]],<ref name="aaa99" /> located at {{coord|38|09|33|N|122|32|18|W|region:US-CA_source:gnis-225400_type:isle_scale:25000|display=inline|notes=<ref name="gnis" />}} near the [[Marin County, California|Marin County]] line. [[San Antonio Creek (Marin County, California)|San Antonio Creek]] enters the river just west of this island.<ref name="IM5Cf" /> It is mentioned in a newspaper article from 1914.<ref name="sfchron1914"/>

There are two other islands with the same name in the Bay area: [[Hog Island (Tomales Bay)|Hog Island]], in [[Tomales Bay]] in [[Marin County, California|Marin County]], and [[Hog Island (San Joaquin County)|Hog Island]] in the [[Sacramento–San Joaquin River Delta]] in [[San Joaquin County, California|San Joaquin County]].

==See also==
* [[List of islands of California]]

==References==
<references>

<ref name="sfchron1914">{{Cite news
  | url       = https://www.newspapers.com/newspage/27598520/?terms=%22Hog%20Island%22&match=1
  | title     = Page 64
  | newspaper = San Francisco Chronicle
  | date      = 4 January 1914
  | page      = 64
  | via       = Newspapers.com
  }}</ref>
<ref name="aaa99">{{cite map | author = California State Automobile Association | title = San Francisco Bay Region | year = 1999 | scale = 1:190,000 | publisher = American Automobile Association}}</ref>
<ref name="gnis">{{Cite GNIS|225400|Hog Island}}</ref>
<ref name="IM5Cf">[http://www.topoquest.com/map.asp?lat=38.1581&lon=-122.53623&s=200&size=l&u=4&datum=nad83&layer=DRG TopoQuest topographic map], USGS, retrieved July 5, 2008</ref>

</references>

==External links==

{{Islands of the San Francisco Bay Area|state=autocollapse}}
{{San Francisco Bay watershed|state=autocollapse}}

[[Category:Islands of the San Francisco Bay Area]]
[[Category:Islands of Northern California]]
[[Category:Islands of Sonoma County, California]]

{{SonomaCountyCA-geo-stub}}