The Alder Fire burning near Kyburz is 40 percent contained, with 25 acres charred.

The fire is burning in steep terrain on the south side of Highway 50 in the Eldorado National Forest near Sand Flat campground.

“Firefighters made good progress overnight. The north side of the fire is within the containment area. Firefighters will be working on the south side of the fire on Alder Ridge and strengthening containment lines today,” fire officials said in a statement.

The Alder lookout and the communication site on Alder Ridge are threatened.

Drivers should expect to see fire vehicles on the highway and along the road to the campground.

The cause of the fire that stared Aug. 6 at 3pm is under investigation.

— Lake Tahoe News staff report