Complex sentence: From Mill Farm it heads south between high banks, which it only overflows after the heaviest of rainfalls, passing between the hills of Lodsworth and River to Halfway Bridge on the A272 road then joining the River Rother at Lods Bridge.
Split into simpler sentences: From Mill Farm it heads south between high banks, which it only overflows after the heaviest of rainfalls. Passing between the hills of Lodsworth and River to Halfway Bridge on the A272 road, the Lod then joins the River Rother at Lods Bridge.