The Secret of Black MountainThe Secret of Black Mountain1917Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1917The Secret of Black MountainDirectorOtto HoffmanStudioBalboa Amusement Producing CompanyOverviewDiscussionPopularNew0 takes · 0 hearts · 0 repliesWrite a ReviewNothing on the record yet. The first take opens the floor.