Lake Bolshie Toroki is located in Novosibirsk Region (55.39350 N, 80.61860E), Russia. It is an undrained lake with an area of 9.57 km2 and a depth of about 1m, with weakly alkaline and weakly mineralized (845 mg/l) water. Aquatic vegetation is predominantly represented by pondgrass (Potamogeton) and watermilfoil (Myriophyllum). The surrounding onland vegetation consists of agricultural lands with birch groves and marshy lowlands.
Boreholes were drilled in the summer of 2012 in the middle of Lake Bolshie Toroki
