For official information see the Bobcat Fire incident page on Inciweb and the Angeles National Forest website. According to officials, some National Forests in California have reopened to varying degrees, but nine National Forests remain closed.
Here’s a Google Earth image of a Bobcat Fire perimeter from the National Interagency Fire Center (NIFC). The image acquisition timestamp of the perimeter is 9/20/2020 2316 (PDT) .
Also included are adjacent perimeters for the 2002 Curve Fire and 2009 Station Fire. Some trails in Angeles National Forest are also shown as yellow tracks. All map data are approximate.
Here’s a 3D interactive Cesium view of the same perimeter and trails.