How big is Anza-Borrego Desert State Park?

More than 600,000 acres, or roughly 1,000 square miles. It is the largest state park in California and the third largest in the United States, spanning parts of San Diego, Riverside and Imperial counties.

How much does it cost to enter Anza-Borrego?

Day use is $10 per vehicle, collected at the Visitor Center, developed campgrounds and several popular trailheads including The Slot and Hellhole Canyon. The park has no entrance gates and much of it can be accessed without a fee.

When is wildflower season at Anza-Borrego?

Annual wildflowers can appear from January through mid-April, with peak bloom most often between late February and early April. Timing varies year to year based on rainfall and temperature.

Is Anza-Borrego a Dark Sky Park?

Yes. The park was designated an International Dark Sky Park in 2018 at Silver tier. Borrego Springs, the town at its center, has been an International Dark Sky Community since 2009, the first in California.

Do I need four-wheel drive at Anza-Borrego?

Not for the paved roads, the Visitor Center or the main campgrounds. The vast majority of the park's roughly 500 miles of dirt roads do require a high-clearance four-wheel-drive vehicle.

Is Anza-Borrego Desert State Park open at night?

Yes, the park is open 24 hours a day, year-round. The Visitor Center is open daily 9am to 5pm October through May, and weekends and holidays only June through September.

Jake Hinton • July 29, 2026

On This Day in 2021: F-35B Fighter Jet Crashed at Ocotillo Wells SVRA

F-35B Fighter Jet Crash in Ocotillo Wells SVRA

On July 29, 2021, a U.S. Marine Corps F-35B fighter jet crashed in Ocotillo Wells SVRA near Anza-Borrego Desert State Park, California . The crash caused a small brush fire and led to the temporary evacuation of campers in the area as a precautionary measure. Fortunately, the pilot was able to eject safely and was rescued by a search and rescue team, later being released from the hospital after evaluation.

The aircraft was part of the 3rd Marine Aircraft Wing based at Marine Corps Air Station Miramar and was on a routine training mission when the crash occurred. The incident involved the F-35B making contact with a KC-130J tanker during an air-to-air refueling exercise, which led to the crash. The U.S. Marine Corps launched a safety investigation to determine the exact cause of the crash.

Though the brush fire caused by the crash was quickly contained, the crash site was closed for some time before reopening to the public.

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At approximately 1600 (4 p.m. Pacific time) it was reported that an F-35B made contact with a KC-130J during an air-to-air refueling evolution, resulting in the crash of the F-35B