Arnica Fire in Yellowstone National Park Now Covering Estimated 1,200 Acres
![](https://www.nationalparkstraveler.org/sites/default/files/styles/npt_square2/public/default_images/npt_icons_0.png?itok=8J64sZS9)
A lightning-sparked fire in Yellowstone National Park is now covering an estimated 1,200 acres and is impacting traffic flows in the park.
- By Kurt Repanshek - September 26th, 2009 9:50am