Is O'Neill Regional Park first-come first-served or reservation?

O'Neill Regional Park accepts online reservations. We recommend booking in advance, especially during peak season (typically summer weekends). Use campsite alerts to get notified when spots become available.

What is the best time to visit O'Neill Regional Park?

O'Neill Regional Park is open Open year-round (camping available year-round).. The best time to visit depends on your preferences—summer offers the warmest weather and most activities, while spring and fall provide fewer crowds and milder temperatures. Check current conditions before your trip.

Are there showers at O'Neill Regional Park?

Yes, O'Neill Regional Park has shower facilities available for campers. Check the amenities section for details on hours and any fees.

Can I have a campfire at O'Neill Regional Park?

Fire policies at O'Neill Regional Park: Sources note fire rings/grates, pits and availability of firewood. Campfires and wood use are subject to OC Parks regulations and applicable local fire restrictions.. Always check current fire restrictions before your trip, as conditions change seasonally.

Are dogs allowed at O'Neill Regional Park?

Yes, pets are allowed at O'Neill Regional Park. Dogs must typically be kept on a leash (usually 6 feet or shorter) and under control at all times. Be sure to clean up after your pet and check for any breed or size restrictions.

What amenities are available at O'Neill Regional Park?

O'Neill Regional Park offers: Restrooms, Showers, Potable Water, Dump Station, Water Hookups, Pets Allowed. See our detailed campground page for the full list of facilities and features.

What activities can I do at O'Neill Regional Park?

Popular activities at O'Neill Regional Park include Hiking, Biking, Wildlife Viewing. The surrounding area offers plenty of outdoor recreation opportunities for all skill levels.

O'Neill Regional Park

4.63

216 reviews

Real-Time Availability

Select a month, then check for open campsites

Quick Facts

925 ft

Price

Varies

Booking

Reservable

Sites

Varies

Season

Year-round

Cell

Unknown

Pets

Pets Allowed

RV FriendlyShowers

Book on OC Parks (Orange County)Set up a cancellation alert Official Website

Get Directions

O'Neill Regional Park is a popular campground. Set up a free alert to catch cancellations.

Real-Time Availability

Select a month, then check for open campsites

Quick Facts

925 ft

Price

Varies

Booking

Reservable

Sites

Varies

Season

Year-round

Cell

Unknown

Pets

Pets Allowed

RV FriendlyShowers

Book on OC Parks (Orange County)Set up a cancellation alert Official Website

Get Directions

O'Neill Regional Park

No fees available

Campsite Fees

Day-use vehicle fee reported in visitor accounts as approximately $3–$5 per vehicle. Nightly campsite fees are not stated in the provided sources....

Standard Site Fee$0.00

Hookup Site Fee$0.00

Premium Site Fee$0.00

Hike and Bike Site Fee$0.00

Group Site Fee$0.00

Food Storage Locker Fee$0.00

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OC Parks CA

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What Campers Say

4.63

Top-Rated

Based on 216 reviews

Most mentioned

cleanshowersshadespacious

"Reviews are largely positive: visitors praise the shady, wooded setting, extensive trails and well-maintained restrooms/showers. Staff and rangers receive frequent compliments for helpfulness and professionalism."

Read all reviews

Campground Map

O'Neill Regional Park

33.6520, -117.6003

Nearby places

Beaches about 13 miles (15–20 minutes)

Legoland ~18 miles

San Diego Zoo Safari Park ~29 miles

SeaWorld ~47 miles

Casper Wilderness Park referenced as nearby foothills east of San Juan Capistrano.

Best Time to Camp at O'Neill Regional Park

Spring delivers the best combination of flowing creeks, wildflower displays, and moderate daytime temperatures in the mid-50s to mid-70s°F. Trails stay in good condition after winter rains, snakes are less active than in summer, and oak shade keeps sites comfortable. Camping is available year-round. Inland temperatures can reach the low 80s by early May. Creeks dry completely in summer and fall. Expect busier weekends with local day-users, so weekday visits or early reservations offer more solitude.

Best

Winter(Dec-Feb)

4.0 / 5

Top 9% in CA

Creeks flow in winter/early spring; park open year-round with pleasant cooler weather.

Planning Tips

Operating Season: Open year-round (camping available year-round).

About O'Neill Regional Park

O'Neill Regional Park sits in Trabuco and Live Oak Canyons at 925 feet elevation, offering heavily wooded camping under coast live oak and sycamore canopy across more than 4,500 acres. The campground includes tent, RV, equestrian, and group sites with hot showers, flush toilets, and a dump station. Reservations are made through the OC Parks portal.

Campground accommodates tents, trailers and RVs (sites accept large rigs), and includes equestrian and group sites. Creekside and canyon woodlands provide a natural, shaded setting.

Weather and SeasonsSpring delivers the best combination of flowing creeks, wildflower displays, and moderate daytime temperatures in the mid-50s to mid-70s°F. Trails stay in good condition after winter rains, snakes are less active than in summer, and oak shade keeps sites comfortable. Camping is available year-round. Inland temperatures can reach the low 80s by early May. Creeks dry completely in summer and fall. Expect busier weekends with local day-users, so weekday visits or early reservations offer more solitude.

Natural Features and SceneryThe park fills two canyons with mature coast live oak and sycamore groves that provide dense shade across campsites and more than 23 miles of trails. Hillsides rise above the canyon floors, covered in coastal chaparral: scrub oak, buckthorn, mountain mahogany, wild buckwheat, sagebrush, and scattered cactus. Trabuco and Hickey Creeks meander through the canyons, flowing in winter and early spring before drying to cobbled beds by summer. The wooded terrain creates a natural, spread-out feel despite the park's size.

Geological RegionTrabuco and Live Oak Canyons in the southern California coastal foothills (heavily wooded canyon terrain).

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Amenities available

Showers

Potable water

Water hookups

Flush toilets

Dump station

Fire rings

Activities you can enjoy

A multi-use outdoor recreation area offering extensive trail access, equestrian use, and family-friendly day-use amenities.

Hiking

Biking

Wildlife viewing

Planning your trip?Check out our camping packing checklist

Policies & Safety

Hazards & AlertsWildlife hazards reported include mountain lions, coyotes and rattlesnakes; poison oak is present. Visitors should exercise normal wildlife and trail precautions and keep pets leashed in allowed areas.

No Electric HookupsElectric hookups are not available at this campground. RV campers should arrive with a full battery and plan for off-grid power (generator hours/quiet rules permitting).

Weather at O'Neill Regional Park

Trip Planning Tools

Set an AlertGet notified when sites open up Check WeatherHistorical weather data Gear for This TripMatched gear recommendations Packing ListCustomizable checklist

Reviews

From Booking Sources

4.6

216 reviews

Top-Rated

O'Neill Regional Park is top-rated, placing it in the top 15% of campgrounds based on reviews

Reviews are largely positive: visitors praise the shady, wooded setting, extensive trails and well-maintained restrooms/showers. Staff and rangers receive frequent compliments for helpfulness and professionalism.

Review Summaries

Based on 216 reviews

What Campers Love

Clean bathrooms and showers, plentiful oak shade, spacious campsites, family- and horse-friendly facilities, extensive hiking and mountain-biking opportunities, and on-site amenities such as a nature...

Based on 216 reviews

Pro Tips & Recommendations

Make reservations through the OC Parks reservation portal; expect seasonal heat in summer and flowing creeks in winter/early spring; keep dogs leashed and only in permitted areas/trails; use...

Based on 216 reviews

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