Autumn colours on display near Cromwell are reflected in the water of Lake Dunstan. Photo by Matthew Haggart. : Reflections on Lake Dunstan

Construction of the Clyde dam is under way in this ODT file photograph. : Reflections on Lake Dunstan

Water spills from the Clyde dam in 2006. : Reflections on Lake Dunstan

romwell, showing the confluence of the Kawarau and Clutha rivers, in December 1959 or January 1960. Photo by the Evening Star. : Reflections on Lake Dunstan

Flowers colour the landscape along the Cromwell Gorge opposite Old Cromwell Town and the junction of the Clutha and Kawarau rivers. Photo by Rosie Manins. : Reflections on Lake Dunstan

Aerial view of Clyde in the 1970s. : Reflections on Lake Dunstan

Aerial view of Clyde in 2005. : Reflections on Lake Dunstan