For a lake that had such a violent and tumultuous origin, the peacefulness and tranquillity of Lake Eacham is an amazing wonder. This lake is the most popular swimming and picnic destination for all of the Atherton Tablelands, but it was once a place of colossal upheaval.

Scientists believe Lake Eacham, and nearby Lake Barrine, were formed approximately 12,000 years ago when molten hot magma in the centre of the earth rose to the surface and heated the water table. The intense hot steam that resulted from the boiling water table was trapped underground, until massive explosions signalled its release. Huge cracks appeared in the ground and the trees that once lathed the mountainside were levelled and burnt. Eventually, over hundreds of years, water filled the craters and the trees grew back, creating the tranquil lake used today by families and tourists for recreation. The lake is fed by underground springs so it retains a constant water level and is unaffected by drought.

Lake Eacham is the centrepiece of the 489-hectare Lake Eacham National Park, characterised by dense rainforest and thousands of small animals. The lake is ideal for swimming, canoeing, bushwalking, and bird watching. No motorised boats are allowed on the lake. It is 60 metres deep, and features a pontoon great for diving into the deep water. A large grassy area is terrific for picnics, sunbathing, or just watching the kids as they play in the shallow water near the edge of the lake.

Surrounding the lake is a 4-km water track, which begins and ends at the parking lot. This walk is suitable for all ages because it is flat and paved the entire length. On weekends, a small canteen is opened where light refreshment can be purchased.