Lake Metroparks Penitentiary Glen Reservation Features 424 acres of forest, fields, wetlands and over 7.5 miles of hiking trails. Named for the deep gorge that divides it, which is easy to get into and difficult to get out of. Visit Website (449) 256-1404 Outdoors, Lake MetroparksTrista WrightJanuary 31, 2019 Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0 0 Likes