If you hike with a dog in L.A., you are probably wondering where else you can take your pooch besides Runyon Canyon Park. There are a few general rules for locating dog-approved trails around L.A. If it's national, like Angeles National Forest or Santa Monica Mountains National Recreation Area, you can bet that dogs are welcome. If it's a California state park, like Malibu Creek State Park or Topanga State Park, dogs probably aren't invited on trails. City and county parks like Griffith Park usually allow dogs. Despite some restrictions, there are lots of great parks around Los Angeles that welcome canine companions. Here are five great hiking trails to explore. Get more information on dog-friendly hikes here.