But when you eventually sit on a warm rock, feet dangling in the icy Crocodile River, the sound of a fish eagle screaming overhead drowning out the distant whine of a jet engine, you will understand.

However, eco-tourism operators are stepping in. New ventures are offering "glamping" tents and guided river walks for a fee. The philosophy is simple: If you pay to protect it, it survives.

The preservation of this area is largely thanks to the local community of farmers and nature lovers who have resisted development. They argue that should remain a "No-Build" zone.

You haven't just found a swimming spot. You have found the —and you will be back. Have you visited the Lost Paradise in Lanseria recently? What was your experience? Let us know in the comments below.