Text by Peter Wellings. [ This information was supplied in March 2010 ]
Situated on the convergence of two quite vigorous tributaries of the Ouse, the Shortbridge and Batts Streams.
Maresfield is a very old village that made its living from iron and making cannon for the Navy, along with other sites very nearby, most notably Boring Wheel in Nutley.
Powder Mill was originally an iron works (I think) but was converted into a Gunpowder Mill, from what I can tell, sometime before 1800. The Mill did blow up in 1855 with some losses I can see from archives but I do not know if it was rebuilt after this.