Officials have set a goal date for containment of the nearly 4,000-acre and, so far, 0% contained South Rim Fire that has been burning in Black Canyon of the Gunnison National Park for days.

The South Rim Fire has burned more than 3,600 acres uncontained since sparking Thursday along the canyon's rim as of Sunday night, and officials Sunday said the fire had started spreading into the canyon itself.

The South Rim Fire near Gunnison grew to almost 3,000 acres Saturday morning after its growth and lack of containment forced the closure of Black Canyon of the Gunnison National Park on Friday, when it was about 1,