headwaters• The 325-acrefen, headwaters of the Waveney river, will be designated a national naturereserve.• He did not know that Henry Schoolcraft had discovered the headwaters four years before and far to the north.• In the headwaters of most rivers there are large tracts of agricultural land and a virtualabsence of industrialdischarges.• The highest of the mountainridgesseparated the headwaters of the Belpan and Makaa.• Fish moved from the lower parts to the headwaters soon evolve local ways.