O'Neill Regional Park

​​​​​​​Park Map

• Size: 4,000 acres
• Description: Stretching from shady, picturesque Trabuco Canyon to the wilderness areas of Caspers Wilderness Park, ONeill Regional Park and the Arroyo Trabuco wilderness comprise a 4,000-acre park that lures everyone from group campers to day hikers, and mountain bikers to horseback riders. Whether you want to stay two hours or two weeks, you'll find everything here that your nature-loving heart desires.
• Telephone: (949) 923-2260
• Hours: Day Use - 7 a.m. to Sunset
  Office Hours: Monday through Friday, 7:30 a.m. - 3 p.m.
  Camping check-in: 2 p.m., check-out 12 p.m.
  Registration: 7 a.m. - 8 p.m.

• Park Amenity: 

  Amphitheater

  Bike Trails

  Camping

  Conference Rooms

  Dogs Permitted on leashes

  Dump Station

  Equestrian Trails

  Hiking Trail

  Horseshoe Pits

  Interpretive Programs Center

  Picnic areas (tables, restrooms)

  Playgrounds

  RV Camping

  Scenic overlook

  Showers

  Weddings Special Events