KING-TV reported that about 250 firefighters were converging on the fire late Friday.
So far no structures have burned but dozens of residents have been alerted to the fire and warned that they might need to evacuate.
The Forest Service said the 25 Mile Fire started Thursday on private property across Lake Chelan from 25-Mile State Park. The fire is burning on both private land and Forest Service land.
The cause is under investigation.
More Northwest Headlines
1 dead, 2 injured in drive-by shooting in Federal Way USGS awards $4M in Northwest, California for earthquake early warning systems 7:09 p.m. Commuter train hits vehicle in Puyallup, kills 1 woman 7:08 p.m. Ex-tribal police chief pleads guilty to stealing from Swinomish Tribe 5:15 p.m. Hearing Friday on suit over Kurt Cobain death-scene photos 5:13 p.m. Guilty plea in crash through Sammamish home that killed 2 4:41 p.m. Suit seeks to block anti-tax measure from Washington ballot Shell icebreaker retreats after showdown with protesters
Our new comment system is not supported in IE 7. Please upgrade your browser here.