Carnival-Picnic: Friday-Sunday

* Carnival rides and games, arts and crafts, food booths, beer garden and entertainment are highlights of City of Hope Picnic in the Park. Friday, 5-10 p.m.; Saturday, 10 a.m.-11 p.m.; Sunday, 11 a.m.-7 p.m. Recreation Center, 16730 Chatsworth St., Granada Hills. Free. (818) 363-3556.

Summer Solstice Fest: Friday-Sunday

* California Traditional Music Society’s folk music and dance fest includes about 300 activities related to folk singing, dance, storytelling, crafts and music. Soka University, 26800 W. Mulholland Highway, Calabasas. Friday, 7:30 p.m. $6. Advance tickets for Saturday-Sunday, $20 (or $10 after 3 p.m.); no charge to children under 12. (818) 342-7664.