How we verify picnic policies

1. The venue's own words come first

For every winery, park and business we read the official website — visit, FAQ, reservation and policy pages — and record exactly what it says about picnics, outside food and alcohol, purchases, reservations, fees and groups, with a link to the page. For parks we also check the governing agency's rules (city code, county park rules or California State Parks regulations), because alcohol rules are set there.

2. Other sources are leads, not facts

Travel blogs, forums and review sites help us find places, and they're useful for spotting change — but when they contradict the venue, the venue wins. Where older guides still recommend picnicking somewhere that no longer allows it, we say so.

3. Every listing carries a confidence level

• Confirmed on the venue's website — the policy is stated explicitly on an official page we checked.
• Consistent published sources — the venue doesn't state it outright, but multiple current sources agree.
• Limited sources — we couldn't confirm it well. These are first in line for a phone or email check, and we tell you to call ahead.

4. We re-check on a schedule, and when you tell us

Listings are re-checked periodically, with automated tools that look for changes on venues' policy pages and flag them for review. Reports from visitors (the “was this accurate?” buttons) and from businesses trigger an immediate re-check. When we can't confirm something, we record it as unconfirmed rather than guess.

5. People sign off on changes

Software watches venues' policy pages for changes so we notice quickly, but a person reviews every change to a picnic rule before it's published.

Use the data

The whole dataset, with each place's rules and last-checked date, is a free download on the picnic policy data page.

Found an error?

Use the update form on any listing, or send us a note. Businesses can claim their listing to correct it directly.