what county is slough in
With four miles of shorline and covering 377 acres, Saganashkee Slough is one of the Forest Preservesâ largest bodies of water. With four miles of shoreline and covering 377 acres, Saganashkee Slough in the Palos Preserves of southwest Cook County is one of the Forest Preservesâ largest bodies of water.ick up the trails from the south side of the parking lot. For the blue unpaved trail (1.2 miles), take a right turn off the asphalt walkway and follow the trail west up the hill and along the south shore of the slough. The blue trail connects with 30 miles of Palos trails north of Saganashkee Slough.