Sycamore Branch is a stream in Bates County in the U.S. state of Missouri. It is a tributary of the Marais des Cygnes River.The stream headwaters arise at 38.1419°N -94.2386°W and the stream flows south-southwest until it reaches the floodplain of the Marais des Cygnes at which point it turns to the southeast for about 1.5 kilometers prior to its confluence at 38.0769°N -94.2603°W.[1] [2] The source area for the stream is at an elevation of about 875 feet[2] and the confluence is at 738 feet.
The stream crosses under Missouri routes B and N prior to entering the floodplain. Rich Hill lies five miles to the west on Route B.[1] Mission Branch joins the stream within the floodplain of the Marais des Cygnes River.
Sycamore Branch was named for the sycamore trees lining its banks.[3]