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Proval Lake cover image
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Attraction

Proval Lake

Updated November 12, 2026

Proval is an underground mineral lake in Mount Mashuk, Pyatigorsk, approached through a tunnel.

AddressGagarina Boulevard, Pyatigorsk

Proval is an underground mineral lake inside Mount Mashuk in Pyatigorsk. Gagarin Boulevard leads to the entrance, and a tunnel provides an approach to the lake. The site is associated with the Ostap Bender episode in Ilf and Petrov’s novel The Twelve Chairs.

Nearby within 2km

Chinese Gazebo

Attraction

Chinese Gazebo

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