[1] Geologically, the Vranica range is part of the Dinaric Alps and formed largely of secondary and tertiary sedimentary rock, mostly limestone.

The typical karst characteristics of the nearby Herzegovina mountains is relatively absent in Vranica, which has relatively abundant water sources.

This lake was once known as a habitat for a unique amphibian endemic variant of the Triton Salamander (Ichthyosaura alpestris reiseri).

On the northern shore is a settlement of typical wooden shepherd huts, which in recent years has grown oversized with illegal recreational sheds that threaten the vulnerable ecosystem.

[2] Prokoško Jezero received a protected status in 2005 based on IUCN criteria, when it was declared a Monument of Nature by the BiH authorities.