Its source is located west of Auxiliary Field 11, an unpaved field on Eglin Air Force Base.
It is fed by Thomas Branch and Lafayette Creek.
Four Mile Creek and Lafayette Creek meet at the Marse Landing at Four Mile Creek, a public access boat ramp located near the port area of Freeport.
The Harry A. Laird Park is located along its banks, near where it is crossed by Florida State Road 20.
This article related to a river in Florida is a stub.