 The Kettle River flows southeastward through central Pine County, discharging into the St. Croix on the county's east border, and the Snake River flows eastward through the lower part of the county toward its discharge point into the St. Croix.The county terrain consists of low rolling hills, carved with drainages, partly wooded and otherwise devoted to agriculture.The terrain slopes to the south and east, with its highest point near its northeast corner, at 1,319' (402m) ASL.