Lake Ohau alt. 1,720'
Hopkins River rises on Southern Alps & flows down between Barrier Range on West & the Newmann Range on East, to join with Dobson River to enter head of lake
[L. Ohau] is drained by Ohau River across Waitaki Plains. Lake =23 sq. miles.
South Canterbury NZMS.1.S99/108
L.R.S.