Be careful if you let your dog off leash. Cops will ticket you if they see it. There is a petition out there though to establish an off leash section.
The avenue of elm leading to the old Mill Tower were planted 15 years ago by Trees Atlanta, along with many of the trees dotting the historic village park.
I like to take my dog to let him run loose. Its mostly fenced-in and on a gorgeous saturday afternoon there was NO ONE there.
Be sure to walk down to Whittier Mill Park and check out the old cotton mill that still stands in the park.