William Heise County Park encompasses this established campground at 4,200 feet elevation in the oak-studded hills five miles outside Julian. Managed by San Diego County, the facility spreads across multiple loops that extend deep into forested terrain, creating a dispersed layout where sites feel more secluded than typical county campgrounds.
Oak trees provide shade across most of the 103 sites, though coverage varies significantly by location. Site 68 offers extensive room to spread out with heavy shade, while site 67 across the way sits more exposed but works well for stargazing. The tent-only section extends to the back of the property near trailheads, though campers report this area can feel busy during peak times with families and children. Water spigots appear on select sites, and all areas maintain access to clean restrooms with coin-operated showers at $1.25 for ten minutes.
Multiple trail systems originate from the campground, including shorter nature loops and longer routes to Glen's Lookout with views spanning from the Salton Sea to the Pacific coast on clear days. Susan V. notes "trees and bushes between sites for privacy" and warns to "watch for poison oak on trails." Wildlife includes mule deer, wild turkeys, and occasional mountain lions, with rattlesnakes present though rarely encountered. The property includes horseshoe pits and sells firewood for $5 per bundle with free kindling.
Access involves rough roads that generate significant dust, particularly noticeable during dry periods. Cell coverage remains surprisingly good throughout the grounds across different carriers. Quiet hours begin at 10pm with fires extinguished by 11pm, and rangers enforce rules consistently. RVs up to 40 feet can access sites with full hookups, while tent campers can choose from both drive-in and walk-in options. For additional camping in the area, consider places to camp around Julian.
The campground works well for families wanting proximity to Julian's shops and restaurants while maintaining a forested mountain setting away from urban areas.
Description
Situated 4,200 feet above sea level in a forest of pines and oaks along the northern extremity of the Laguna Mountain Range, this 929-acre park is one of the few San Diego county parks to get snowfall each year.
Forests of oak, pine, and cedar surround peaceful mountain meadows and provide an undisturbed setting for nearly 11 miles of scenic hiking and equestrian trails. Mule deer and wild turkey are frequently seen throughout the park, and rare residents include bobcats and mountain lions.
Though its forest may seem timeless, each season brings dramatic changes: from winter snowfall to spring wildflowers, there is always something new to experience at Heise.
In addition to trails, you can take advantage of cabins, trailer sites, individual tent sites, and a group-tent camping area, along with several playgrounds, restrooms with coin-operated showers and ample picnic spaces. Rangers-lead activities every weekend, and the park office with a small museum is open during the day or by appointment. This park makes a gorgeous setting for weddings and special events!
RV Road Trip Guides
Location
Public CampgroundWilliam Heise County Park is located in California
Directions
From town: Go 1 mi W on Hwy 78, then 2 mi S on Pine Hills Rd, then 2 mi E on Frisius Rd.
Address
4945 Heise Park Road
Julian, CA 92036
Coordinates
33.040454857325685 N
116.58788013548163 W
Connectivity
- T-Mobile5GExcellent CoverageVerified by 13 usersLast on 5/5/26
- VerizonLTEGood CoverageVerified by 14 usersLast on 5/5/26
- AT&T5GExcellent CoverageVerified by 4 usersLast on 5/5/26
Connectivity
- T-Mobile5GExcellent CoverageVerified by 13 usersLast on 5/5/26
- VerizonLTEGood CoverageVerified by 14 usersLast on 5/5/26
- AT&T5GExcellent CoverageVerified by 4 usersLast on 5/5/26
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
- Cabins
- Tent Cabin
- Yurts
Features
For Campers
- ADA Access
- Trash
- Picnic Table
- Firewood Available
- Phone Service
- Reservable
- Showers
- Drinking Water
- Electric Hookups
- Toilets
- Alcohol
- Pets
- Fires
For Vehicles
- Sanitary Dump
- Sewer Hookups
- Water Hookups
- Pull-Through Sites
- 30 Amp Hookups
- Big Rig Friendly
Drive Time
- 44 min from San Diego, CA
- 1 hr 29 min from El Centro, CA
- 2 hrs 30 min from Yuma, AZ
- 2 hrs 32 min from Los Angeles, CA



















































