You searched for: Place Mackinac Remove constraint Place: Mackinac Place Michigan Remove constraint Place: Michigan Place Opposite Echo Island, ca. 1½ mi. SW of Cedarville, on Les Cheneaux Channel, Lake Huron. Remove constraint Place: Opposite Echo Island, ca. 1½ mi. SW of Cedarville, on Les Cheneaux Channel, Lake Huron. Topic Malpighiales Remove constraint Topic: Malpighiales