Chief Joe Losorelli is a 35-year veteran of the Los Angeles Police Department (LAPD). He retired from the LAPD in 2017 as the Commanding Officer of Rampart Detective Division. Chief Losorelli is married and has a son who is also an LAPD officer. In 2019, Chief Losorelli joined the team of Proud Park Ranger Division as Chief Park Ranger.

Chief Losorelli and his team of rangers are responsible for the safety and preservation of all city parks within the City of Los Angeles. The park rangers patrol the city parks in a variety of different methods such as vehicle patrols, mounted unit patrols, foot-beats, etc. The park rangers are sworn law enforcement officer and are certified firefighters with credentials to fight fires and administer basic first aid. In addition to the safety and preservation of the park, the Park Ranger Division is also responsible for teaching educational programs throughout the city parks. Educational programs to include nature walks for all ages, nature presentation, a Junior Ranger Program designed to teach young kids about wild life and vegetation, and more.

Chief Losorelli strongly believes in community partnerships designed to bring the Park Ranger Division, residential and business communities and other governmental agencies together to safeguard and improve the quality of life in our parks.


To Protect and Preserve

The mission of the City of Los Angeles Park Ranger Division is to enrich the lives of the residents of Los Angeles by providing safe, welcoming parks and recreation facilities for people of all ages to play, learn, contemplate, build a sense of community, and be good stewards of our environment. Park Rangers, through careful efforts, protect those who are using parks and protect park resources so that future generations may enjoy them.



Los Angeles City parks are open to the public from 5:00 am until 10:30 pm, unless otherwise posted. Several parks or designated areas have been authorized for sunset closure.  Some park facilities offer equestrian trails for riding horses.

Park space is usually available on a first-come, first-served basis for picnicking and other recreation opportunities, though in some instances a reservation may be required.  Please inquire directly to the facility of interest for information prior to your visit.

Park Rangers currently only provide service to Griffith Park, Runyon Canyon, Elysian Park, Hansen Dam, Debs Park, and Harbor Regional Recreation Area.  



The Park Ranger Communications Center is located at Park Ranger Headquarters and can be contacted at 323-644-6661.  It is staffed from 6:45 am until 11:00 pm, 7 days a week, to provide callers with a central contact and dispatch center for routine and emergency needs.  After hours emergency calls are transferred to LAPD Security Services Communications.  The Communications Center can be contacted for:.


  • Any report of violence
  • Disturbances and crimes in progress
  • Illegal sports activities
  • Unleashed dogs and other animal problems
  • Trespassing
  • Lewd conduct
  • Information regarding things to do in Griffith Park
  • Schedule Interpretive Programs
  • Any problems or concerns may be reported anonymously

Any problem or concern may be reported anonymously.




Park Ranger Headquarters is located at the Griffith Park Visitor Center, 4730 Crystal Springs Drive, Los Angeles, CA, 90027.  Stop by the Visitor Center for information regarding Griffith Park activities, attractions, and permits.  You may also call the Visitor Center Permit Office at (323) 644-2050, Tuesday to Saturday, from 9:00 am until 4:00 pm.



For information about a career with the Park Rangers, please refer to the City employment link provided below.  As hiring for positions periodically opens and closes, interest cards may be available, and those filing them will receive notification when a position opens.



Park Ranger Manual

2020 Manual for Web


Park Ranger Training Documents

Course Evaluation

POST Course Outline for 21797

POST First Aid CPR AED Course Presentation

Skills Competency Demonstration Checklist



Please contact (323) 644-6661