Maidstone is six miles downstream from where the River Medway, having flowed in a generally west-east direction, is joined by the Rivers Teise and Beult at Yalding and changes its course to a northerly one. It cuts through the ridge formed by the greensand, so that the town occupies a site on two opposite hills, the easterly one containing the town centre. Beyond that, and higher, is Penenden Heath. The River Len joins the Medway at Maidstone. Though a short river, it provided the water to drive numerous watermills. The Loose Stream, which rises at Langley and joins at Tovil, once
Fox River (Illinois River tributary) and a spillway to the east. A small dam is present just a few miles south in downtown Rochester. The river then flows unobstructed through Burlington, where it joins the White River, and on to Wilmot. This is a popular and picturesque day-canoe trip never straying far from the road, but often just out of sight of it. Flooding is common on this section of the river, especially near Wheatland to the border. The river enters Illinois where it widens into a large area of interconnected lakes known as the Chain O'Lakes. Fox Lake is the largest village in this