Correcting the lead's city guess ('City of Industry'): Walnut Ranch Park is actually in Walnut, CA, run by the City of Walnut. City of Walnut's own Instagram account (@cityofwalnut) confirms operating pickleball courts at Walnut Ranch Park (post announcing a temporary maintenance closure Sept 22–24). City news posts (cityofwalnut.org/walnutca.gov) separately describe an initial Tue/Thu schedule later expanded to daily play, but those specific pages could not be fetched directly (403) so are not cited as sources. Court count and exact street number not confirmed from a source we could access, so left null.
The exact court count for Walnut Ranch Park isn't published yet — we're confirming it directly with the venue.
Walnut Ranch Park offers outdoor pickleball.
Walnut Ranch Park is free to play.
Yes — Walnut Ranch Park is open to the public.
Walnut Ranch Park is located at Amar Rd, Walnut, CA 91789.
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