Wilder Ranch State Park Mapping Party And Hike

What's a mapping party? (http://wiki.openstreetmap.org/wiki/Santa_Cruz_Mapping_Party_July_2011)

GPS units available for loan to hike participants. Co-listed with Sierra Club, Loma Prieta Chapter, Guadalupe Regional Group. (http://www.lomaprieta.sierraclub.org/guadalupe/index) Hike details. Post hike meeting for uploading, downloading, tutoring for newcomers or just socializing at Coffeetopia at about 2:00 PM. Wilder Ranch State Park. (http://www.parks.ca.gov/?page_id=549)