ESRI
ESRI http://www.esri.com/
ArcGIS Online: http://www.arcgis.com/home/
ESRI Mapping Center: http://mappingcenter.esri.com/
ESRI Online Training: http://training.esri.com/gateway/index.cfm
OTHER AREA USER GROUPS
Inland Empire GIS User Group: http://www.iegis.org/iegis/index.php
San Diego GIS User Group: http://www.sangis.org/esriug/
CA/HI/NV Regional User Conf: http://www.esri.com/events/cahinvrug/index.html
DATA LINKS
RIV Co Data: http://www.rctlma.org/gis/content/data.aspx
RIV Co Land Info System: http://www3.tlma.co.riverside.ca.us/pa/rclis/index.html
CA Spatial Info Library(CaSIL): http://www.atlas.ca.gov/
LOCAL GOVERNMENTS
CVAG: http://www.cvag.org/
Palm Desert: http://www.cityofpalmdesert.org/
Palm Springs: http://www.palmsprings-ca.gov/
Rancho Mirage: http://www.ranchomirageca.gov/index.php
Cathedral City: http://www.cathedralcity.gov/
Indian Wells: http://www.cityofindianwells.org/
Indio: http://www.indio.org/
La Quinta: http://www.la-quinta.org/
GPS INFO
POB Message Boards: http://www.i-boards.com/bnp/pobtha/default.asp
Loggerhead Navigation: http://www.loggerheadnav.com/index.php
(My GPS goto resource)
MISC GIS INFO
Wiki.GIS.com: http://wiki.gis.com/wiki/index.php/Main_Page
GISCI: http://gisci.org
CGIA: http://www.cgia.org/
GIS Nuts: http://www.gisnuts.com/
Coachella Valley GIS User Group on Facebook