Yellowstone National Park Releases Fire Updates

Two lightning-caused fires that started this month in Yellowstone National Park continue to burn.

The Rainbow Fire is the smaller of the two; it began September 13th and is about 8 acres in size, located three miles west-northwest of Mammoth Hot Springs near the Wyoming/Montana state line. Smoke or flames from individually burning tress may be visible at times from the park's North Entrance Road in the community of Gardiner, and from the Yellowstone River and US Highway 89 north of the park.

While the Sepulcher Mountain Trail has been temporarily closed, fire growth is slow and is well away from both Mammoth Hot Springs, Gardiner and all roads and visitor services in that area.

The larger of the two fires, the Arnica Fire, started September 22nd and covers about 250 acres and is located five miles west of the Bridge Bay Campground and the northwest shore of Yellowstone Lake.

The Arnica Fire is expected to grow in the next 24 hours, especially during the peak afternoon burning period. Winds today are expected to continue to move the fire in a southwesterly direction. The fire will be visible at times from the Grand Loop Road. Visitors to the park this weekend are encouraged to check at visitor centers or backcountry offices for the current status of the hiking trails and campsites in that area.

If you're planning to visit the park this fall, check this website for fire updates: or call the park's 24-hour fire information line at (307) 344-2580.