Pet Friendly Hatfield Hatfield Dog Park2500 Chestnut StreetHatfield, PA 19440 Off leash dog park with a separate small dog area. This park offers some nice shade trees, benches and a drink machine! Read more of our reviews (or leave one of your own) on our Facebook Page. See our pet sitting and dog walking service page to find out how we can help you and your pets. Ready to meet your new pet sitter? Let's get started! Contact Us Now!