As of Tuesday, the Sourdough fire burning near Diablo Lake in the North Cascades has torched 1809 acres. More than 300 firefighters are working to battle the blaze, which broke out late last month ...

The Sourdough Fire was caused by a lightning strike on July 29 and started near Diablo “in the steep and rugged terrain of Ross Lake National Recreation Area.” ...

Fire crews have also “wrapped” the historic Sourdough Fire Lookout and important structures at Ross Lake. Wrapping is when firefighters cover a building in a fire resistant aluminum barrier.