 It is bordered to the west by the city of Auburn, to the northwest by Kent, to the north by Covington, to the northeast by Maple Valley, to the east by Black Diamond, and to the south by the Lake Holm CDP.The southern border of the Lake Morton-Berrydale CDP follows Covington Creek and Big Soos Creek, which flows west to the Green River.The namesake water body of Lake Morton is in the eastern part of the CDP, and the unincorporated community of Berrydale is in the northwest.