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Barton Flats Family Campground

At 36 miles northeast of San Bernardino, this hosted campground has 51 reservable sites; 7 are accessible). 

  • Includes showers, RV dump station, and firewood for sale on site.
  • Bear boxes available at each campsite for food storage. Box szie: 48"x 29"x 26".

Rio Monte Trail 1E28 starts here and leads uphill to Jenks Lake and Santa Ana River. 

Campground within 25 miles of Big Bear Lake and at an elevation of 6,500 feet.

 

Reservations

Barton Flats is reservations only. No first-come, first-served sites.

Booking Windows

What is a booking window?

Individual sites at this campground operate on a 6-month rolling basis:

  • Availability is released from Fri, April 3rd 2026 through Mon, July 13th 2026. Select dates for availability.
  • On January 14, 2026 at 07:00 AM PST, availability will be released through July 14, 2026.

General Information

Reservations can be placed as late as 24 hours in advance based upon availability. For example, reservations could be made on a Thursday before 2pm, for a Friday 2pm check in, if there is availability.

April 3rd - October 25th

This campground requires 2-day minimum stay on weekends and 3-day minimum stay on holiday weekends. 

  • Single site is allowed 1 vehicle. Extra vehicles are $8/night.
  • A double site is allowed 2 vehicles. Extra vehicles $8/night,
  • Fees will be collected by the host. 

All pets must be leashed.

  • Single Site: $36 holiday, $38 - 8 person max
  • Double Site: $71 holiday, $73 - 16 person max
  • Camping fee includes entry for 1 vehicle.
  • Extra vehicle fee: $8/night
  • RV dump: $10
  • Checks under $50 not accepted.

Dogs MUST be on a leash not longer than six feet, or otherwise under physical restrictive control [36 CFR 261.16(j)]. Read more info about pet ethics.

Mill Creek Visitor Center

Address: 34701 Mill Creek Road Mentone, CA 92359
Phone: (909) 382-2882
Hours: Saturday-Sunday 9:00 am to 4:00 pm (Closed on federal holidays)

Getting There

Latitude / Longitude

Latitude: 34.17083333

Longitude: -116.8741667

Elevation

6335

Directions

From  I-10 East to Redlands:

  • Take University Street exit, EXIT 80.
  • Turn left (northbound) on University Street.
  • Turn right onto E. Lugonia Avenue/SR-38.
  • Continue on State Highway 38. From Mill Creek Work Center, about 18.8 to campground entrance.
  • Turn left into campground.

From the Big Bear Discovery Center, take SR-38 towards Redlands for 25.8 miles. Turn right into campground.

     

Parking

2nd vehicle parking fee: $8/night

Facility and Amenity Information

Water

Potable water is available at this site.

Picnic Tables

Picnic tables are available at this site.

Last updated June 9, 2026