As an AI language model, I don't have personal opinions, but I can provide you a summary based on researched information about Hillmead Park in the state of District-of-Columbia.

Hillmead Park is a small park located in the Chevy Chase neighborhood of Washington, D.C. It is a tranquil and serene place that offers a respite from the hustle and bustle of city life. Visitors can enjoy a peaceful walk, have a picnic, or spend some time with friends and family.

One of the main attractions of Hillmead Park is its lush greenery. The park has a variety of trees, plants, and flowers that make it an ideal spot for nature lovers. There are also walking trails that wind through the park, providing visitors with a chance to explore the area's natural beauty.

Another interesting feature of Hillmead Park is the Rock Creek, which runs through the park's southern border. The creek offers visitors a chance to relax and enjoy the sound of flowing water. There is also a small playground for children to enjoy.

The best time to visit Hillmead Park is during the spring and fall when the weather is mild and the trees are in full bloom. However, the park is open year-round, and visitors can enjoy its beauty in any season.

Overall, Hillmead Park is a great place to visit for anyone looking for a peaceful and relaxing getaway in the heart of Washington, D.C.