Elizabeth Park West Jefferson, Trenton, MI48183 Elizabeth Park is the oldest unit of the Wayne County Park System and is located on the Detroit River. The park is 162…More acres formerly owned by the Slocum family, who donated the land in 1919. The park is valued at more than $1 million. A three-lane concrete road winds completely around the park allowing for optimum people and animal watching and parking at different park attractions. Some attractions include extensive playscapes for children, field stoves, picnic tables and a skate park for skateboarding and inline skating.