Sun 28 Mar 2010 This is Mt Gambier

9:30 am From the Blue Lake Holiday Park, we went to the Lady Nelson Visitor and Discovery Centre. Picked up a few brochures.

10:00 am We went for the Aquifer tour at the Blue Lake.
Why is the Blue Lake blue in summer? It is due to the warming of the water causing the calcium carbonate to percipitate out of the solution. The micro-crystallites of calcium carbonate scatter of the blue wavelengths of sunlight. http://en.wikipedia.org/wiki/Blue_Lake_(South_Australia)

11:30 am Had lunch at the bottom of Mt Schank. It is the crater of a volcano and had a nice uphill walk to the crater rim. Then we walked all the way round the rim. Great views!

1:30 pm It was raining so we went back to the caravan park to do some paper work and play table tennis.

4:00 pm We went for a drive to have a look at the crater lakes. We stopped at a playground in the Valley Lake.