Free things to do with kids in Berkeley

Berkeley's beloved community-built tot lot: fully fenced, a wooden play structure with a mural-covered clubhouse, and a steady rotation of shared sand toys. The default morning meetup for North Berkeley toddlers.

A bright, gated, accessible playground at Berkeley's Aquatic Park with structures sized for little kids, then lagoon paths and duck-watching when the structure loses its grip. Good wind-sheltered picnic spots nearby.

The only playground where kids get real hammers, saws, and paint to build their own forts out of scrap lumber - a staff-supervised junkyard wonderland on the Berkeley Marina. Kids earn tools by turning in stray nails first.

Home of the famous 40-foot concrete slide that big kids bomb down on cardboard - plus a creek, a fenced toddler area, and the Berkeley Rose Garden through the pedestrian tunnel across Euclid. A Berkeley childhood rite of passage.

West Berkeley's go-to: a long hillside slide worth the cross-town trip, a restored creek older kids migrate to, and the Hidden Cafe right in the park so parents get real coffee without leaving. Basketball and tennis at the south end.

The one with the secret staircases. Rock formations to scramble on and enough tucked-away corners that older kids will disappear for a while.