After yesterday showing a video of Blue Lake in twilight on a windy day, today I publish the quintessential Mount Gambier photograph.
I walked around the lake for the first time and snapped this picture at our start and finish place. It took about 45 minutes to complete the 4km circuit with Sooty in tow and picture stops.
The lake was formed out of a volcanic crater, which last erupted 5000 years ago. The lake turns from a winter grey to a brilliant cobalt blue in November, lasting until April. This is believed to be the result of seasonal changes to algae.
The lake provides the town’s water supply and is off limits for recreational uses.
Water feeds into the lake mainly through groundwater movement at a depth of about 40 metres below the water surface.
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