Although its name was initially Tsukigase Dam, following the former residents' hope that the name of their submerged Takayama village should be kept alive, its name was changed to Takayama Dam.
ダムは当初月ヶ瀬ダムの名称であったが、水没する旧・高山村の名称を残したいとする水没住民の意向を受け、現在の高山ダムに名称が変更された。