Mile Square Regional Park is a beautiful park located in Fountain Valley, California. It offers a wide range of activities for visitors to enjoy. You can go for a leisurely walk or bike ride along the park's many trails, have a picnic in one of the designated areas, or play a game of golf at the park's golf course. There are also several lakes where you can go fishing or rent a paddleboat. With its lush greenery and peaceful atmosphere, Mile Square Regional Park is the perfect place to relax and enjoy nature.