No structures are threatened by the 150-acre Pinehaven fire burning off Lakeridge Drive in the Caughlin Ranch area in Reno.
A smoke plume was visible from Carson Valley during the height of the fire, which started at about 12:20 p.m.
Four air tankers, a helicopter, six handcrews and eight engines are working the fire. In all, 125 firefighters are working the blaze.
There is no estimate of containment or control, according to Sierra Front Interagency Dispatcher Helen Frazier.