San Mateo County's STREETS ALIVE! PARKS ALIVE! program is offering a day of family fun at Quarry Park. The Sheriff's Activities League Coastside is offering a variety of things for kids to do. There will be arts and crafts with the San Mateo County Bookmobile. Friends of Quarry Park, Seton Coastside Medical Center, San Mateo County Parks, and the Golden Gate National Recreation Area. Bring a picnic and spend the day! That's Quarry Park in EL GRANADA.