Lakes in Los Alamos County, New Mexico      Guaje Reservoir Los Alamos Reservoir        ...n closed to the public since the Cerro Grande Fire in May of 2000.  The fire and the flooding that followed did extensiv... OTHER COUNTIES NEARBY Bernalillo County Rio Arriba County Sandoval County Santa Fe County Taos County New Mexico Lakes   Los Alamos Reservoir        ...western edge of the Jemez Mountains, not the San Juans.  The reservoir has been closed to the public since the Cerro Grande Fire in May of 2000.  The fire and the flooding that followed did extensive damage to the landsc...