City, County & Regional Parks · California

O'Neill Regional Park Campground

City, County & Regional Parks · California, United States

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Sites
92
Cost
Day-use parking: $3 weekdays, $5 weekends.
Group sites
Yes
Restrooms
Yes
Showers
Yes
Elevation
1,119 ft
Dark sky
Bortle class 5
Nearest town
Trabuco Canyon
Address
30892 Trabuco Canyon Road, Trabuco Canyon, CA 92678
Phone
949-923-2260

About

Orange County park campground with 79 sites varying in size (Arroyo campground), plus 8 large group sites (17+ people) and 5 equestrian sites with horse corrals. Showers and restrooms throughout. Reservations online, by phone, or in person; group reservations require calling the office. Office hours 7am-8pm daily.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January64°48°38°86°0 of 11
February64°48°35°87°0 of 11
March65°50°41°89°0 of 11
April71°53°44°92°0 of 11
May73°58°51°91°0 of 11
June81°63°56°95°0 of 11
July89°68°63°97°0 of 11
August89°69°64°101°0 of 11
September86°67°60°96°0 of 11
October81°59°49°95°0 of 10
November74°53°42°89°0 of 10
December67°48°38°81°0 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in California · Every state and province · Facts read from the operator 2026-08-29. Confirm fees, rules and current status with the operator before you go.