This website reports that:

According to Variety a new horror movie is in the works called “Dark Reaches”. For the 3 people that enjoyed “The Cave” you can rejoice since it sounds like a rip off of it.

Jessica Pare (”Notorious”) and Johnny Lewis (”The OC”) are in talks to star in this film, with shooting scheduled to begin this spring in Taiwan. The story for DARK REACHES is about “five teens who stumble upon an eerie cave and get trapped inside, only to discover unspeakable horrors.” Cue Creepy Music Now!