Category Events - United States, Riverside (CA) Parks Master Plan Workshop Opportunities to participate and help define the vision! Community workshops will be held in all Wards for community input on how the parks system can enhance your quality of life. Workshops will begin at 6 p.m. and last about 2 - 3 hours. Please RSVP for your desired workshop with your name and guest(s) names along with phone numbers to firstname.lastname@example.org or 951.826.2000. Light refreshments will be available.