May 23, 2015
9:00 AMBeginning Archery Class

Join Park Rangers and Volunteers for an introductory archery class at the brand new archery range at Mile Square Regional Park. This one hour long class will introduce participants to the basics of the exciting sport or archery.

  • The class is free, parking is $5 per vehicle.
  • Equipment is provided.
  • Participants must be at least 12 years old.
  • Pre-registration is required (see link below).

To allow us to accomidate as many participants as possible please only sign up for one class per person.

May 23, 2015
10:00 AMModjeska House TourDocent-led tour of Arden: Helena Modjeska Historic House and Gardens.

  • Advance reservations required, please call (949) 923-2230.
  • Fee: $5 per person
  • Directions provided with reservations.
view archive »

Latest News

May 8, 2015  Temporary Trail Closures May 16

On Saturday, May 16, the following trails will be closed for a special event.

7 to 10:30 a.m. – Wood Canyon Trail

7:15 to 8 a.m. – Meadows and Mentally Sensitive

7:15 to 10 a.m. – Mathis Canyon, Rock-it, Coyote Run and Aliso Creek

The trail closures are due to a mountain biking event, brought to you by Non-Dot Adventures. Please visit for more information.

April 21, 2015  Water Shortage: No Showers AvailableDue to current drought conditions throughout the State of California, showers will be shut off at Caspers Wilderness Park until further notice. Restrooms, sinks and drinking water will still be available for as long as the well at the park will allow.

Please plan ahead to avoid any inconvenience. For more information on current drought conditions, visit

April 20, 2015  Trail TipsThe first thing to know about hiking or riding in the wilderness is that it is very different than walking around the block or even in your neighborhood park. The excitement and beauty of hitting the trails is what draws people outdoors, but being prepared is key to a positive experience. Here are some tips that will get you off on the right foot.
February 9, 2015  Invasive Pest Found in Orange County

Gold Spotted Oak Borer (GSOB), an invasive beetle that has killed thousands of oak trees in San Diego and Riverside counties in a short span of time, has now been detected in Orange County. The GSOB was discovered in approximately 60 trees on County park land in northern Orange County. Since GSOB is transported in oak firewood, it is critical that Californians keep firewood local and not move it out of the area.

( View PDF )