Where was Arunah's threshingfloor?

According to Judeo-Christian tradition, this was atop the Temple Mount in Jerusalem where the angel of the LORD ended the plague that resulted from King David's disobedience in taking a census of Israel. (2 Samuel 24). David was told by the prophet Gad to raise an altar and offer a sacrifice there, and his son King Solomon later built the first house of the LORD there (2 Chronicles 3:1).