📍 12999 NE Holladay St, Portland, OR 97230
East Holladay Park Off-Leash Area is a dog park at 12999 NE Holladay St, Portland, OR 97230. It’s an official park on Atosworld — the neighborhood dog-park callboard where you rally your pack, see who’s heading over, and shout out when your dog’s on the way.