Where in Northern Virginia do you get 6 acres of outdoor space at a Pet Retreat? Pender Pet Retreat of course! In addition to our other outdoor hiking trails and off-leash dog park, we have dedicated areas for our Morning Playschool program. This is an intense off-leash playing and exercising program for dogs in a large fenced-in-area with a kennel assistant. We do not exercise dogs together during playschool; if your pup likes to play with others check out our Best Buddies program where your dog is paired with another dog for some fun and excitement.