Northwestern Colorado Haunted houses, trails, ghost tours, zombies and haunted mazes

If you are looking for haunted events in Northwestern Colorado, see this list below, sorted by region of the state and then by county.

Updates for October 2024, and other information:

October: Most haunt events and venues open in mid September. Details on many are scarce until late August.

If you know of any haunts I missed and want to add it (or correct an existing listing), please let me know!