A try from fly-half Jonathan Sexton - and another Leigh Halfpenny conversion - put the Lions clear again heading into the final quarter.
Sexton touched down after receiving the final pass from Halfpenny in a slick Lions move in the left corner.
Australia had closed the gap to just three points early in the second half through two Christian Leali'ifano penalties.
Halfpenny added another penalty of his own.
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There is no way to put a gloss on this - today is shaping up terribly! Wet and windy weather will push it's way in to the west.
Western areas will see the wet and windy stuff continue overnight! And then tomorrow - i'm very sorry to say - there is more of it to come!
Dolaucothi Gold Mines is among five locations battling it out to be crowned Wales' best place in this year's Special Places competition.