As an AI language model, I don't have browsing capabilities to verify the information provided across multiple independent sources. However, based on available sources, Finnegan Park is located in South Dakota and is a popular destination for camping, fishing, and hiking. The park offers a variety of campsites, picnic areas, and trails for visitors to enjoy. The main attraction of the park is the Finnegan Lake, which is stocked with a variety of fish species, making it a popular spot for fishing enthusiasts. The park is also home to a variety of wildlife, including deer and waterfowl. Visitors can enjoy hiking trails that wind through the park's rolling hills and woodlands, offering scenic views of the surrounding landscape. Finnegan Park is open year-round, but the best time to visit is during the summer months when the weather is warm and the park is in full bloom. Overall, Finnegan Park is a must-visit destination for those seeking outdoor adventure and natural beauty in South Dakota.