O'Neill Regional Park
Rancho Santa Margarita, Orange County, CA
About O'Neill Regional Park
4,500 acres in Trabuco and Live Oak Canyons, wooded with coast live oak and sycamore. Source
O'Neill Regional Park's 4,500 acres are situated in beautiful Trabuco and Live Oak Canyons. The park is heavily wooded with coast live oak and sycamore trees. The hillsides surrounding the park are filled with cactus, wild buckwheat, sagebrush and chaparral of scrub oak, buckthorn and mountain mahogany. Trabuco and Hickey Creeks also meander through the park, flowing in winter and early spring, dry in summer and fall.
Facilities
- Camping
- Drinking Water
- Historic Site
- Picnic Area
- Playground
- Restrooms
- Tennis Courts
Facility details: OpenStreetMap
Sunrise & sunset
O'Neill Regional Park hours follow the sun (7 a.m. to sunset). Mid-month times for this location:
| Month | Sunrise | Sunset |
|---|---|---|
| Jan | 6:54 a.m. | 5:03 p.m. |
| Feb | 6:35 a.m. | 5:33 p.m. |
| Mar | 7:02 a.m. | 6:57 p.m. |
| Apr | 6:21 a.m. | 7:20 p.m. |
| May | 5:50 a.m. | 7:42 p.m. |
| Jun | 5:39 a.m. | 8:01 p.m. |
| Jul | 5:50 a.m. | 8:02 p.m. |
| Aug | 6:12 a.m. | 7:38 p.m. |
| Sep | 6:32 a.m. | 6:58 p.m. |
| Oct | 6:54 a.m. | 6:17 p.m. |
| Nov | 6:21 a.m. | 4:48 p.m. |
| Dec | 6:47 a.m. | 4:43 p.m. |
Calculated from the park's coordinates (NOAA solar equations), Pacific time.
O'Neill Regional Park at a glance
- PParking · 15
- WCRestrooms · 9
- WDrinking water · 1
- Named trails · 7
Outline: CPAD. Points and trail lines: OpenStreetMap contributors. Not for navigation.
Trails
| Trail | Mapped length | Elevation | Surface & uses |
|---|---|---|---|
| Arroyo Trabuco Trail | 9 mi | 30 ft up & down874–909 ft | UnpavedBikesHorsesNo dogs |
| Live Oak Trail | 3 mi | 1,148 ft up & down892–1,487 ft | UnpavedBikesHorsesNo dogsPaved |
| Tijeras Creek Trail | 2.9 mi | ||
| West Bank Arroyo Trabuco Trail | 2.2 mi | ||
| Hoffman Homestead Trail | 1.8 mi | 388 ft up & down994–1,137 ft | UnpavedBikesHorsesNo bikesNo dogs |
| Trabuco Creek Trail Bike Path | 1.6 mi | 102 ft up & down959–1,116 ft | PavedBikes |
| Mesa Trail | 1.3 mi | 190 ft up & down990–1,123 ft | UnpavedBikesHorses |
| Trabuco Creek Bike Path | 1.3 mi | ||
| Pawfoot Trail | 1.1 mi | 122 ft up & down921–1,002 ft | UnpavedNo bikesHorsesNo dogsPaved |
| Machete Trail | 1.1 mi | ||
| Coyote Canyon Trail | 1 mi | 403 ft up & down942–1,321 ft | UnpavedBikesHorses |
| Loop Trail | 0.9 mi |
Trail names and mapped lengths come from OpenStreetMap; lengths count only the part inside the park boundary. Up-and-down totals (climbing plus descent, one way) and elevation ranges are estimates from USGS 3DEP elevation (about 15 m grid) sampled along the mapped line. Use the official guide map for the route and current closures.
Getting to O'Neill Regional Park by bus
- Santa Margarita-Avd De Las Flores · 990 ft from the park
Bus stops within about a quarter mile of O'Neill Regional Park, mapped in OpenStreetMap. Check the transit agency for schedules.
Rules & reservations
Official park page- Dogs
The official park page does not state a dog rule. Check with OC Parks before you go. Source
Day use, year-round.
Map & directions
Nearby parks
Straight-line distanceContinue exploring
Orange County parks Playgrounds Tennis CourtsSources & verification
Last verified: Oct 16, 2026- California Protected Areas Database (CPAD) 2026aname, county, agency, access, acres
- OC Parks park pageofficial_url, hours, hours_note, fees, description
- OpenStreetMap facilities and trailsfacilities.camping, facilities.drinking-water, facilities.historic-site, facilities.picnic-area, facilities.playground, facilities.restrooms, facilities.tennis-court, trails
- U.S. Census Bureau place boundaries (nearest place)city
- Official park page (checked for dog and fee information)unstated.dogs
- OpenStreetMap: parking, restrooms, water, trailheads, trail lines, and bus stopsvisit
- Terrain Tiles elevation (USGS 3DEP), sampled every 20 m along OpenStreetMap trail linestrails.elevation
- Official park page (introduction excerpt)intro