The headstreams of the Bakhoy rise between 11° 30' and 12° N.
He explored (1894-1895) the headstreams of the Shebeli, reached Lake Rudolf, and eventually descended the Tana river to the sea, his journey thus taking him through southern Somaliland.
Of the three headstreams, the Web, the Ganale and the Daua, the Ganale (or Ganana) is the central river and the true upper course of the Juba.
Thus a well-marked depression in the Cotteswolds brings the head of the (Gloucestershire) Coln, one of the head-streams of the Thames, very close to that of the Isborne, a tributary of the upper Avon; the parting between the headstreams of the Thames and the Bristol Avon sinks at one point, near Malmesbury, below 300 ft.; and head-streams of the Great Ouse rise little more than two miles from, and only some 300 ft.
Its headstreams are in the highest part of the Drakensberg range, the principal source, the Senku, rising, at an elevation of more than 10,000 ft., on the south face of the Mont aux.