MOST POPULAR: Video, stories and more
SIGN-UP: Get breaking news sent to you from ABC7
About 8,000 Girl Scouts from California and six other states are expected this year to cross the bridge from Marin County to San Francisco for the yearly event marking their advancement from Junior Girl Scouts to Cadettes.
The massive event will also mark the second-largest gathering in the bridge's history, second only to the bridge's 50th anniversary celebration, according to event organizers.
The event begins at 9 a.m. and will be followed by a party at Crissy Field in San Francisco's Presidio.
Today's latest headlines | ABC7 News on your phone
Follow us on Twitter | Fan us on Facebook | Get our free widget