Urbandale: Hallbrook Park March 26, 2022 Hallbrook Park in Urbandale has a fun playground with a separate toddler play structure and baby swings. My kids enjoyed the climbing wall.The butterfly was built and painted by Ryan Opfer an Eagle Project in 2021.There's no parking lot and no restrooms. Trail access is located near 14747 Dellwood Drive and also 14804 Wilden Drive.