Little Blue Lake: A Volcanic Sinkhole Oasis

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Discover the refreshing waters of Little Blue Lake, a unique volcanic sinkhole near Mount Schank, perfect for a cool and memorable swim.

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Little Blue Lake

Little Blue Lake, near Mount Schank, South Australia, is a stunning water-filled sinkhole attracting visitors with its cool, clear waters and unique swimming experience. Once known for its vibrant blue color, it now generally appears green, offering a refreshing natural swimming spot.

A brief summary to Little Blue Lake

Mount Salt Rd, Mount Schank, South Australia, 5291, AU

Monday 12 am-12 am
Tuesday 12 am-12 am
Wednesday 12 am-12 am
Thursday 12 am-12 am
Friday 12 am-12 am
Saturday 12 am-12 am
Sunday 12 am-12 am

Local tips

Experienced swimmers only due to the depth of the water; cliff jumping is prohibited.
Consider visiting during off-peak hours to avoid crowds.
Bring your own refreshments as there are limited facilities.
Take care near the cliffs and stick to designated paths.
Remember that camping is not permitted at the Little Blue Lake or in the car park.

Getting There

Driving

From Mount Gambier, head south on the Riddoch Highway (A1). After approximately 10 km, turn onto Mount Salt Road towards Mount Schank. Follow Mount Salt Road for about 5 km until you reach Little Blue Lake. Parking is available near the lake. Parking is free.
Public Transport

From Mount Gambier, take a bus towards Mount Schank. Check local bus schedules for accurate timings. From the bus stop in Mount Schank, it's approximately a 20-minute walk to Little Blue Lake. Head southeast on Mount Salt Road to reach the lake entrance. Bus services in the area are limited.

Discover more about Little Blue Lake

Little Blue Lake is a captivating sinkhole located near Mount Schank in South Australia, approximately 20 kilometers south of Mount Gambier. This natural attraction is a popular destination for locals and tourists seeking a refreshing swim in its cool waters. The lake's name originates from its past tendency to turn a vibrant blue, similar to Mount Gambier's Blue Lake, although it now typically maintains a green hue throughout the year. This change in color is possibly due to increased nutrient levels from agricultural fertilizers. The sinkhole itself is roughly circular, boasting a diameter of about 40 meters. Cliffs rise approximately 8 meters above the water, adding to the dramatic scenery. The maximum depth of the lake reaches about 47 meters, with the shallowest point around 25 meters. Access to the water is facilitated by stairs and a floating pontoon installed on the south side. Little Blue Lake is part of the Kanawinka volcanic area, nestled between the dormant volcanoes of Mount Schank and Mount Gambier. The geological formation of the lake is linked to the collapse of underground water-filled chambers following a drop in sea levels during the last glacial maximum. Stromatolites found in the lake suggest its relatively recent formation. While swimming is a popular activity, it's recommended for experienced swimmers only due to the depth of the water. Cliff jumping is prohibited due to safety concerns. Cave diving is permitted only for divers with CDAA Deep Cavern grade certification. Camping is not allowed at the lake or in the car park. The land surrounding Little Blue Lake was designated as a reserve for public recreation in 1986.