LaGloria Hazardous Fire Area is composed of approximately 131,900 acres (534.0 km²) of watershed land in Monterey County. The exterior boundary of the area is described as follows:

Beginning at the point where Topo Creek intersects the Monterey-San Benito County line, then N along said line to point where San Juan Rd. intersects county line; thence SW along road to intersection of Crazy Horse Canyon Rd.; thence SE along said rd. to intersection of Old Stage Rd.; thence S along Old Stage Rd. to intersection of Iverson Rd.; thence SE along road to intersection of Gloria Rd.; thence E along Gloria Rd. to intersection of Gloria-Camphora Rd.; thence S along said road to a point where Mantes Vineyard intersects said road; thence S along San Vicente Grant line to a point where Bryant Canyon Rd. intersects said Grant line; thence S along Bryant Canyon Rd. to intersection of Metz Rd.; thence S along road to a point where Topo Creek intersects said road; thence E along creek to the point of beginning.