(Salem, OR) -- Wildfire season is ramping up across Oregon. Over 23-hundred people are working to stop six large fires in Oregon. The North Cayuse Fire is the largest at over 48-hundred acres. It's located 15 miles east of Pendleton and it's 91 percent contained. In southern Oregon, the East Evans Creek Fire is five percent contained at 36-hundred acres. The Salmon and Olive Butte fires, southwest of Baker City, are both zero-percent contained. The Olive Butte Fire has burned about 17-hundred and 20 acres. The Salmon Fire is now just over 13-hundred acres.