Sourdough Fire now at 25% containment

Wildfire grew by 1,000 acres last week
September 23, 2023 at 4:48 p.m.

By CDN Staff

The Sourdough Fire is currently at 7,377 acres with 25% containment, according to a Friday, Sept. 22 news release by the North Cascades National Park Service Complex.

The wildfire, which has been burning northwest of Diablo Lake since late July, will likely see no change in containment until significant rain or snow arrives, which is known as a season-ending event, according to the release.

“Containment areas of the fire are in place along state Route 20, near structures and other values at risk,” the release stated.

The fire grew by 1,000 acres, mostly in the Stetattle Creek drainage, last week due to unseasonably hot, dry and unstable conditions. Firefighters used aerial water suppression in the Sourdough Creek area, which kept the fire west of the drainage.

On Thursday, Sept. 21, crews removed structure wrap from the Sourdough Lookout and winterized the structure for the season. Firefighters continue to backhaul equipment from the remaining areas, removing hoses and pumps, and will monitor Stetattle Creek and Sourdough Creek drainages. 

Fire restrictions were lifted as of Sept. 22 following the arrival of cool temperatures and moisture, which reduces fire danger. Campfires are allowed in designated areas only in both frontcountry and backcountry campsites. 

An emergency response team is working on the Sourdough Fire to assess the impacts on natural resources, cultural resources and infrastructure, and to assess potential safety hazards to humans and property. For more information, visit the emergency response website.

Area, trail, and camp closures remain in effect. Closure information can be found on the park’s fire closures page

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