Complex sentence: A tramping track runs along the river and forms the western part of the Travers-Sabine tramping circuit that usually starts from Saint Arnaud at the northern end of Lake Rotoiti.
Split into simpler sentences: A tramping track runs along the river and forms the western branch of the Travers-Sabine tramping circuit. This route usually starts from Saint Arnaud at the northern end of Lake Rotoiti.