Bollinger Canyon Creek: Difference between revisions

| river_system = [[Walnut Creek (CaliforniaContra Costa County)|Walnut Creek]]

'''Bollinger Canyon Creek''' is an approximately 6.72 -mile -long (10.8 km)<ref name=":2">{{Cite web |date=2004 |title=Contra Costa County Creeks Inventory |url=http://www.cccleanwater.org/_pdfs/Creeks_Inventory.pdf |website=www.cccleanwater.org}}</ref><ref name=":0">{{Cite web |date=2004 |title=Contra Costa County Watershed Atlas |url=https://www.cccleanwater.org/userfiles/kcfinder/files/Watershed%20Atlas.pdf |website=www.cccleanwater.org |publisher=Contra Costa County Public Works Department}}</ref> stream in [[Contra Costa County, California]]<ref>{{cite gnis|254643|Bollinger Canyon Creek|December 17, 2023}}</ref> in the [[San Francisco Bay Area]]. It is a tributary of [[San Ramon Creek]] which is part of the [[Walnut Creek (CaliforniaContra Costa County)|Walnut Creek]] watershed. The creek derives its name from the surname of a family who settled in the area in the 19th century.

The highest point in the drainage is around 2,000 feet above sea level.<ref name=":0" /> From a low divide which separates it with [[Las Trampas Creek]], it runs southward through Bollinger Canyon, gradually descending in altitude until turning sharply to the east near Crow Canyon Road in [[San Ramon, California]]. It is joined by its only named tributary, San Catanio Creek. Shortly after, it is confined to concrete channels and it joins with San Ramon Creek near the city's downtown.<ref name=":3">{{Cite web |last=Leidy |first=Robert A. |date=2005 |title=Historical Distribution and Current Status of Steelhead/Rainbow Trout (Oncorhynchus mykiss) in Streams of the San Francisco Estuary, California |url=http://www.cemar.org/pdf/wholedoc2.pdf}}</ref>