The Osse Stream or Osse Ditch, otherwise known as the Appleton Brook,[1] is a small stream in the Vale of White Horse in Oxfordshire (historically in Berkshire).
The stream is a tributary of the River Ock, with its confluence near Marcham Mill.
The stream rises at a pond in Cumnor, flowing past Besselsleigh, Appleton, Fyfield, Frilford and Marcham.
The hydronym Osse appears to be derived from the Old English word Wase, meaning 'mud'.
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