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Smoke visible from active Brimstone Fire

UPDATE 8/29/19: Smoke from the Brimstone Fire in Yellowstone National Park may be visible from Bridge Bay, Lake Village, Fishing Bridge, the East Entrance Road and communities east of the park.

Due to hot and dry weather, the Brimstone Fire grew to an estimated 80 acres Wednesday.

This wildfire does not pose a threat to visitors.

All services are open. All roads leading into and through the park are open.

Park visitors and communities east of the park should anticipate varying levels of smoke from the fire.

The following closures are in place.

Campsites 5E1, 5E2, 5E3, 5E4, 5E5, 5E6, 6B4 Thorofare Trail between 5E8 (just south of the spur trail to 5E8 campsite) and Beaverdam Creek Hikers can check the current status of the trail and campsites at Backcountry Situation Report.

Due to the increased fire activity and additional closures, park staff are working hard to reroute backpackers around the impacted area.



The 0.5-acre Brimstone Fire was detected Monday afternoon east of Yellowstone Lake.

Yellowstone officials say it was likely caused by lightning and is burning in a spruce and fir forest.

For safety reasons, the Brimstone Bay campsite 5E4 near the Thoroughfare Trail is closed until further notice.

Due to low fire activity, the Thoroughfare Trail remains open. You can check the current status of the trail HERE.

Fire staff will monitor the fire.

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