MileHiCon is an annual science fiction and fantasy convention held in Denver, Colorado in October.
Although it has a primarily literary focus, it also has an art show, a vendors' room, Critter Crunch (similar to Robot Wars), Critter Float-illa (robotic competition in the hotel pool), a video room, an anime room, a masquerade, gaming, a bat'leth tournament, and programming on science, writing, literary, and media.
It runs its own track of child-friendly, interactive programming and also hosts the Avistrum Academy of Sorcery.
It is run by MileHiCon, Inc., a Colorado not-for-profit corporation, and donates money each year to local literacy programs.
MileHiCon was started by the Denver Area Science Fiction Association (DASFA).
It was held in the basement meeting room of the Columbia Savings Bank, where DASFA met at that time.
Since the Minicon name was taken by an organization in Minneapolis, DASFA decided to rename it Octocon, since it was to be held in October.
Guests included authors Seanan McGuire and Catherynne Valente, and artist Aaron B. Miller.
Guests included authors Daniel Abraham and Ty Franck (who also write together as James S. A. Corey) and Michael Swanwick.
Guests included authors Kevin Hearne and Kristine Kathryn Rusch.