Earlier studies have demonstrated quantitatively that recent salinization of the Karnak Temples, Egypt, is due to evaporation of saline groundwaters under the temples. Furthermore, it has been determined that the high salinity of groundwaters is due to extensive evaporotranspiration over the adjacent irrigated fields. To abate salinization, in 1986, a desalination station was installed in the central part of Karnak at Lake Amen. Present studies indicate that by 1987, the desalination effort was already very successful, with the salinity of the lake being lowered by a factor of more than 37. Some residual salinity was still evident a year after desalination stations were installed. It appears that this residual salinity is due primarily to leaching of salts which were deposited around the lake before 1986. Thus, not only the lake, but also the area adjacent to it, appear to be desalinized as a result of construction of the desalination station. -- AATA