Glenbrook Park in Petaluma is a solid option if you want somewhere to let your dog run around without a leash. The park spreads across nine acres with open grassy areas and designated off-leash zones during specific hours, so you can actually give your dog some real freedom instead of keeping them tethered the whole time.
The park itself has a straightforward layout with plenty of space to move around. There’s enough room for dogs to really stretch their legs and play, whether they’re into chasing a ball or just running in circles for the sake of it. The surrounding area is typical Petaluma—tree-lined and relatively quiet compared to the busier downtown areas.
What makes Glenbrook work for most visits is that Petaluma takes a practical approach to dog recreation. Beyond just this park, the city has about a dozen designated dog run areas scattered throughout town, so if you’re spending more than just an afternoon in the area, you’ve got options. Rocky Memorial Park, another nine-acre spot nearby, is also worth checking out if you want variety during a longer stay.
Before you head out, it’s worth knowing the specific off-leash hours since they do vary—the city isn’t completely loose about the rules, which actually keeps things more manageable when you’re there. The dog areas themselves are just regular sections of the park, not fancy enclosed runs, so your dog needs to be reasonably responsive to come back when you call. That voice control requirement isn’t just them being picky; it actually matters when you’ve got multiple dogs in the same space.
Water access is available at the park, which is helpful if you’re spending a couple hours there on a warm day. There’s decent parking right off Petaluma Boulevard, so you won’t be hunting for a spot for too long.




