Sutton Park is a large urban park located in Sutton Coldfield, Birmingham, West Midlands, England. Most of the park is a National Nature Reserve; large parts are also a Scheduled Ancient Monument. Sutton Park is one of the largest urban parks in the United Kingdom. The park covers more than 2,400 acres (970 ha) according to one source, or 2,200 acres (900 ha) according to another. It consists of a mix of heathland, wetlands and marshes, seven lakes, extensive ancient woodlands (covering approximately a quarter of the park), several restaurants, a private 18-hole golf course on its western edge and a municipal golf course to the south, a donkey sanctuary, children's playgrounds and a visitors' centre. There is no entrance charge to the Park, however there is a parking charge for cars on Saturdays and Sundays during the summer. A wide range of leisure activities are undertaken in the park including dog walking, pony treking, bike riding and kite flying and there are areas to fly model aeroplanes and helicopters. Additionally, a railway line runs through the park.