Editing Portola Valley, California (section)

==Geography==
Portola Valley is located on the  [[San Francisco Peninsula]] on the eastern slope of the [[Santa Cruz Mountains]].  The town is west of [[Interstate 280 (California)|Interstate 280]] and the southwest boundary is along [[California State Route 35|Skyline Boulevard]] which more or less is the ridge of the mountains.  The [[Windy Hill Open Space Preserve]] is a large part of the town's southwest side and the north side of the town borders [[Jasper Ridge Biological Preserve]].  [[Woodside, California|Woodside]] borders it to the northwest and [[Palo Alto, California|Palo Alto]] to the southeast  The unincorporated subdivision of [[Ladera, California|Ladera]] is adjacent to the northern boundary of the town.  It is in a mostly wooded area, with some open fields.  The [[San Andreas Fault]] bisects the town.<ref name="LostFound">{{cite news|last1=Aiden|first1=Andrew|title=Lost and Found: The 1906 Earthquake Rupture in Portola Valley|url=https://www.kqed.org/science/6797|access-date=March 25, 2018|work=KQED|date=August 8, 2013|language=en-us}}</ref><ref name="GeoMap">{{cite web|title=Geologic Map: Town of Portola Valley|url=http://www.portolavalley.net/home/showdocument?id=3969|website=Portola Valley|publisher=Cotton, Shires, and Associates|access-date=March 25, 2018|date=June 2017}}</ref>

Alpine Road and Portola Road are the two relatively main roads in the town and their intersection forms a small shopping nexus.

Portola Valley can generally be divided into 7 subdivisions: Central Portola Valley, The Ranch, Corte Madera, Los Trancos/Vista Verde, Woodside Highlands, Westridge, and Blue Oaks.

According to the [[United States Census Bureau]], the town has a total area of {{convert|9.099|sqmi|km2}}, 99.98% of it land and 0.02% of it water.<ref name="CenPopGazetteer2016">{{cite web|title=2016 U.S. Gazetteer Files|url=https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2016_Gazetteer/2016_gaz_place_06.txt|publisher=United States Census Bureau|access-date=June 28, 2017}}</ref>