Abstract: A wet/dry steam condenser in accordance with the present invention includes two spaced-apart, vertically aligned groups of heat pipes with each group having the lower, evaporator sections of their respective heat pipes exposed to the interior of an associated, longitudinally extending steam-receiving plenum. The upper condensing section of each heat pipe is cooled by a fan-induced air flow and has a portion that is finned. The other portion of the condensing section of each pipe is cooled by deluge water from either a flood water trough and/or a spray-head assembly in addition to being cooled by a fan-induced air flow.