How do divers ensure they do not become lost in a cavern?

Divers ensure they do not become lost in a cavern primarily by practicing proper navigation techniques. Navigation in confined underwater environments like caverns is crucial due to the potentially complex and maze-like structures they can present. Effective navigation strategies include maintaining a clear awareness of entrance and exit points, using guidelines, and being trained in spatial orientation.

Divers are taught to utilize techniques such as a continuous reference to their exit route and the use of dependable markers or guidelines that can guide them back if visibility conditions change or if they lose their bearings. Proper navigation skills significantly enhance a diver's ability to manage their environment and respond correctly in challenging situations.

While staying close to the cavern entrance and using dive computers can provide some safety, these methods are not comprehensive navigation strategies. Relying on instinct alone is also not a reliable approach in the complex environment of a cavern, where environmental factors can easily lead to disorientation. Thus, the emphasis on practiced navigation techniques is essential for ensuring safety and preventing loss during a cavern dive.