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William Heise (San Diego County Park)

RV Park

Overview

Overview

William Heise County Park offers a peaceful escape tucked away in the Cuyamaca Mountains. This 962-acre park is characterized by its high-altitude setting, providing a cooler climate than the coastal areas of San Diego County. It serves as a rustic sanctuary for those who appreciate quiet nights and a canopy of oak and pine trees. While it is not a luxury RV resort, it provides a authentic outdoor experience for nature lovers.

Location & Surroundings

Situated near the historic town of Julian, CA, the park sits at an elevation of approximately 4,200 feet. The scenic mountain environment offers a dramatic change of pace from the city. Surrounded by dense forests and rugged terrain, the park is a gateway to mountain adventure. Travelers will find the winding roads leading to the park offer beautiful views, though larger rigs should approach with care given the elevation changes and narrow mountain passes.

Amenities & Park Features

The park provides basic RV campsites that focus on simplicity and connection with nature. While the sites are not equipped with full hookups like commercial resorts, they offer a tranquil space to disconnect from the modern world. Visitors have access to shared restrooms and picnic areas throughout the grounds. The extensive trail network is the standout feature, allowing guests to hike directly from their campsites into deep, shaded woodland areas filled with native wildlife.

Nearby Attractions & Things to Do

The charm of downtown Julian is only a short drive away, famous for its iconic apple orchards and seasonal pies. Beyond the town, visitors can explore the nearby Volcan Mountain Wilderness Preserve for more challenging hiking excursions. The area is also highly regarded for its dark night skies, making it a premier destination for stargazing and amateur astronomy enthusiasts who visit to capture the clarity of the celestial views without light pollution.

Who This Park Is Best For

William Heise County Park is ideal for self-contained RV travelers who prioritize peace and solitude over high-end amenities. It is a fantastic choice for those looking to hike, photograph nature, or simply relax in a cooler mountain climate. Families and individuals who enjoy a rustic camping style will find the natural beauty and quiet atmosphere of this county park to be a perfect retreat from the bustling coastal pace.


Features & Amenities

- Recreational Facilities

• Pond
• Horseshoes
• Playground

- Policies

• Pets Welcome
• Pets $
• Day Max Stay (14)
• Tent Camping Allowed

- Other Amenities & Services

• Restroom and Showers
• Laundry

- Recreation Nearby (within 10 miles)

• Hiking

- Facility

• Type (Public Park)

- On-Site Rentals

• 

- Sites

• Spaces Available (102)
• Max Length (40)
• Paved Sites (20)
• 30 Amp
• Dirt Sites (82)
• Electric (21)
• No Hookups (81)
• Max Amps (30)
• Back-ins (12 x 40)
• Room for Slideouts (No)

Reviews

Vita & Vox

June 20, 2026

Very nice trail if you want to get away from the city and enjoy nature. There is a lot of trail variety, so you can pick and choose different routes depending on what you’re looking for. We saw a lot of berries along the way, which was a nice surprise. The trail was not very crowded, although our group was fairly large. We hiked about 4 miles total. Most of the hike was easy, but there were also some steeper sections that provided a bit of a challenge. Overall, it’s a great trail with a good mix of terrain and a peaceful atmosphere.

REW Construction

April 21, 2026

Beautifully kept. RV hook-up spaces are private with trees / hedges that keep you from having to see into your neighbors camp. Spaces are also huge. Staff is awesome. 10 minutes away from the wonderfully quaint town of Julian!

Ben Cather

February 23, 2026

Nicely maintained campground. The bathrooms were clean and heated. A couple of must knows before visiting: 1. Quarters are required for showers. 2. Cash is required for firewood ($8 a bundle) 3. RV spots have a nice 100 amp setup and water source.

Amanda Mueller

November 20, 2025

This may be a better park than just our overnight stay indicated, but for folks who spend a lot of time in the outdoors this was not a great park. It was at least fairly clean and well kept except for a LOT of dog poop, but that is on the thoughtless users not the staff. We picked the wrong trail to do, the Cedar Trail, because we arrived late in the afternoon and only had time for a short hike. I think the other trails must be better based on other reviews. The Cedar Trail was just a mile of rough wash going up and down steep hills with no views to reward the climbs. The campground loop that we stayed in (1-20) had sites very crowded together and only 2 or 3 that were even close to level. Other areas we walked through didn’t appear much better and the tent area was a muddy mess with one bathroom for 40 sites. The bathrooms themselves were nice, basic and clean with flush toilets and pay showers. The cabin loop was a nice area with cute basic cabins, but they also were right on top of each other. Power and water is available on the RV sites as well as picnic tables and fire rings. There is a dump station on site which was why we came in out of the forest to this park in the first place. Not someplace we would visit again.

Durand Smiley

October 21, 2025

We had a great time! The park was clean and well maintained. We rented a cabin for our trip, between the roof and the close proximity to the town we had an easy time. Great for beginners or weekenders.