Lesnoye Sanatorium (Russian: санаторий Лесное) is the oldest medical institution in the city of Tolyatti, Russia. Its main focus is tuberculosis treatment.Despite being only 3 kilometers (1.9 mi) from the center of what is now the large city of Tolyatti, the sanatorium is located in 42 hectares (100 acres) of pine forest near the shores of the Volga, hence its name, which means "Sanatorium in the Forest".