Tabatskuri (Tabiskuri) is a lake in the Samtskhe-Javakheti region, on the border of the Borjomi and Akhalkalaki municipalities, 1,991 m above sea level. Surface area 14.2 km², catchment area 83.1 km², greatest depth 40.2 m, average depth 15.5 m, volume 221 million m³. The lake basin was formed by the damming of lava flows. It is fed by groundwater, snow and rain, and drains underground. Its level is lowest in February and highest in June. It is frozen from the end of December to the end of March. The water is fresh and rich in fish. Around the lake lie the villages of Tabatskuri and Moliti, surrounded by the Ktsia-Tabatskuri sanctuary.