Baldmore Lake, as it was known, was a sizeable area of water which lay mostly in Sutton Coldfield, with the remainder in Erdington. Why would such a large lake, which gave its name to the district of Boldmere, disappear? Why did some early maps show the lake in one place while present-day residents firmly point to an entirely different location? Did it really disappear without trace? What was the lake like, where exactly was it and why can it no longer be found?