the northeast and east. The Santa Susana Mountains, which separate the San Fernando and Santa Clarita valleys, lie to the north. The principal thoroughfares are Mason Ave., Corbin Ave., Porter Ranch Drive, Tampa Ave. and Reseda Blvd., running north–south, and Sesnon Blvd., Rinaldi St. and the Ronald Reagan Freeway (State Route 118), running east and west. The Porter Ranch ZIP code is 91326. Porter Ranch is in the hilly northwestern tip of the San Fernando Valley, where, according to a 2008 Los Angeles Times article, it was a "calm outpost of Los Angeles" that attracted residents "seeking sanctuary from the urban hubbub." It was noted that the neighborhood had "some of the cleanest air in the Valley year-around—some of which is attributable to winds that sweep through the community regularly." Nevertheless, "those same winds, which have been clocked at 70 mph, take down trees and holiday lights." * Renaissance Summit is a neighborhood at the highest point of Porter Ranch. Brief History 1960-1980 Porter Ranch community started as a housing tract in the community of Northridge. This was along San Fernando Mission Blvd west of Reseda Blvd circa 1960–1963. No homes were north of Rinaldi except for a few dozen above "the ridge", where there was a 7/11 which was a destination for determined kids who like to hike or ride bikes up Tampa. These homes were only accessible via Tampa. Approximately 50 homes of the original tract was destroyed north of San Fernando Mission Blvd to build the 118 freeway. In the 1970/1971 "shake and bake" three merging fires from Indian Dunes to the Ocean in Malibu, surrounding Simi Valley. The fall 1970 fire crossed Rinaldi west of Reseda Blvd. The largest hill just northeast of Reseda/Rinaldi was thereafter called "cherry hill" as it glowed like a cherry as its tall grasses burned. Undeveloped areas south of Rinaldi were substantially feral orange groves, north of Rinaldi was all grasslands. Kids would ride dirt bikes and motorcycles on the many trails in the grasslands and orange groves. Popular with the kids was "the secret of the three trees" visible on top of Oat Mountain. Kids would leave from Rinaldi hiking to the "three trees", the secret was a fourth tree behind out of sight. It was not unusual to have teen parties complete with rock band (using a generator) in the canyon just west of Tampa Ave. It was so