{
  "@context": "https://schema.org",
  "@type": "Campground",
  "@id": "https://campertunity.com/listings/campgrounds/black-diamond-mines-regional-preserve-antioch-ca-2",
  "name": "Black Diamond Mines Regional Preserve",
  "description": "Part of the East Bay Regional Park District system, Black Diamond Mines Regional Preserve operates this established campground that allows pets throughout the facility.",
  "url": "https://campertunity.com/listings/campgrounds/black-diamond-mines-regional-preserve-antioch-ca-2",
  "address": {
    "@type": "PostalAddress",
    "addressLocality": "Antioch",
    "addressRegion": "CA",
    "addressCountry": "US"
  },
  "geo": {
    "@type": "GeoCoordinates",
    "latitude": 37.97178,
    "longitude": -121.8614
  },
  "sameAs": [
    "https://thedyrt.com/camping/california/black-diamond-mines-regional-preserve"
  ],
  "amenityFeature": [
    {
      "@type": "LocationFeatureSpecification",
      "name": "Established"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Pet Friendly"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Tent Camping"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Rv Camping"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Tent"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Rv"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Hiking"
    },
    {
      "@type": "LocationFeatureSpecification",
      "name": "Grassland"
    }
  ],
  "offers": {
    "@type": "Offer",
    "availability": "https://schema.org/InStock",
    "priceCurrency": "USD",
    "price": "0",
    "priceValidUntil": "2026-11-17"
  },
  "priceRange": "$0+"
}