In the mid 80's I watched a movie on Showtime or Cinemax. It was about a young girl who goes down into a secret cave via a fireplace? She discovers gold, and a ghost of a dead girl. Hazy at best about the details.
Any ideas?:)

Based off the Experts on this site, I think it's this one;

Mystery Mansion (1983) (http://www.imdb.com/title/tt0091587/)