The fire was reported in the area of 2200 Holbrook Drive, near Sycamore Valley Elementary School, at about 11:15 a.m., according to Cal Fire.
No structures were threatened and no one was injured by the fire.
The City of Danville and fire officials worked together to assess the scene.
Residents should avoid Sycamore Valley Park until crews clear the area.
VEGETATION FIRE, 2200 HOLBROOK DR, DANVILLE (2015-07-07 10:57:01) http://t.co/L2RMG8ze3f— San Ramon Valley FPD (@srvfpd) July 7, 2015
Bay City News contributed to this story.