It is believed to date back to the Upper pleistocene epoch, making it a significant geological feature in the region.

[1] The lake takes its name from a local legend that claims Pontius Pilate was killed there and buried under lake bed as punishment for his role in the passion of the Christ.

It is located in the province of Ascoli Piceno and is part of the Monti Sibillini National Park,[3] a protected area known for its rich biodiversity and scenic beauty.

However, during times of drought, the water retreats into two smaller pools, altering its appearance dramatically.

[4] Chirocephalus marchesonii, a freshwater shrimp is endemic to this lake.