As an AI language model, I don't have a browsing capability to verify information across multiple independent sources. However, here is a summary of Masonville City Park based on the available information:

Masonville City Park is a public park located in Annandale, Virginia. It covers an area of 71 acres and offers visitors a variety of outdoor activities. The park has plenty of picnic areas, playgrounds, and hiking trails, making it a perfect spot for families and nature lovers.

One of the park's main attractions is Lake Accotink, a 55-acre lake that offers fishing, boating, and paddle-boating activities. The park also has a miniature golf course, a carousel, and a train ride that operates during the summer months.

In addition to its recreational activities, Masonville City Park has a rich history. During the Civil War, the park was used as a campsite for Confederate soldiers. Today, visitors can explore the historic ruins and learn about the area's past.

The best time to visit Masonville City Park is during the spring and summer months when the weather is mild and the park is in full bloom. However, visitors can enjoy the park's activities year-round, as there are many indoor attractions as well.

Overall, Masonville City Park is a great destination for families and anyone looking for some outdoor fun and relaxation in Virginia.