Mile Square Regional Park is a large public park located in Fountain Valley, California. Covering over 600 acres, it offers a variety of recreational activities, including hiking, biking, and picnicking. The park features two golf courses, sports fields, and playgrounds, making it a popular destination for families and outdoor enthusiasts. The park is also home to several lakes and open spaces, providing habitats for local wildlife. Visitors can enjoy walking trails and scenic views, making it a great spot for nature lovers. Mile Square Regional Park is part of the Orange County park system and is easily accessible to the community.