PARK COUNTY, Colo. (CBS4)- Firefighters battled a small fire burning near Kenosha Pass on Wednesday evening. The fire is about three and a half acres in size.

The fire is burning on U.S. Forest Service land. It is being called the “Columbine Fire” by the Park County Sheriff’s Office.

Firefighters with Park County have cleared the area and have turned over management of the fire to Forest Service officials. Hot Shot crews will remain on scene overnight to monitor the fire.

The fire is burning in difficult terrain and is tough for firefighters to get to. No homes are threatened, but there are ranches in the area.

What caused the fire is unknown.