William Heise County Park
Julian, San Diego County, CA
- Size
- 1,021 acres Source
- Managed by
- San Diego County Parks and Recreation
About William Heise County Park
A 929-acre park at 4,200 feet in pine and oak forest, one of the few county parks with snow every year. Source
This 929-acre park is located 4,200 feet above sea level in a forest of pines and oaks at the northern edge of the Laguna Mountain Range. It is one of the few parks in San Diego County that gets snow every year. Forests of oak, pine, and cedar surround quiet mountain meadows. It offers a peaceful setting for nearly 11 miles of hiking and horse-riding trails.
Facilities
- Horseshoes
- Picnic Area
- Playground
- Restrooms
Facility details: OpenStreetMap
Sunrise & sunset
William Heise County Park hours follow the sun (9:30 a.m. to sunset (day use)). Mid-month times for this location:
| Month | Sunrise | Sunset |
|---|---|---|
| Jan | 6:49 a.m. | 5:00 p.m. |
| Feb | 6:30 a.m. | 5:30 p.m. |
| Mar | 6:58 a.m. | 6:53 p.m. |
| Apr | 6:17 a.m. | 7:15 p.m. |
| May | 5:47 a.m. | 7:37 p.m. |
| Jun | 5:36 a.m. | 7:55 p.m. |
| Jul | 5:47 a.m. | 7:56 p.m. |
| Aug | 6:08 a.m. | 7:33 p.m. |
| Sep | 6:29 a.m. | 6:54 p.m. |
| Oct | 6:49 a.m. | 6:14 p.m. |
| Nov | 6:16 a.m. | 4:45 p.m. |
| Dec | 6:41 a.m. | 4:41 p.m. |
Calculated from the park's coordinates (NOAA solar equations), Pacific time.
William Heise County Park at a glance
- PParking · 1
- WCRestrooms · 2
- Named trails · 6
Outline: CPAD. Points and trail lines: OpenStreetMap contributors. Not for navigation.
Trails
| Trail | Mapped length | Elevation | Surface & uses |
|---|---|---|---|
| Desert View Trail | 2.1 mi | 1,261 ft up & down4,356–4,928 ft | No bikes |
| Harrison Park Fire Road | 0.8 mi | 435 ft up & down3,996–4,390 ft | |
| Cedar Trail | 0.6 mi | 290 ft up & down4,126–4,289 ft | Unpaved |
| Cabin Access Trail | 0.2 mi | 65 ft up & down4,116–4,179 ft | Unpaved |
| Playground Access Trail | 0.2 mi | 77 ft up & down4,097–4,174 ft | Unpaved |
| Cedar Trail (estimated) | 0.1 mi | 31 ft up & down4,118–4,152 ft | Unpaved |
Trail names and mapped lengths come from OpenStreetMap; lengths count only the part inside the park boundary. Up-and-down totals (climbing plus descent, one way) and elevation ranges are estimates from USGS 3DEP elevation (about 15 m grid) sampled along the mapped line. Use the official guide map for the route and current closures.
Rules & reservations
Official park page- Dogs
The county says dogs are allowed in most County parks; in any County park or on County trails, dogs must be on a leash no longer than 6 feet. The park page does not say more, so check with the park before you go. Source
Camping 24 hours a day.
Map & directions
4945 Heise Park Road, Julian, CA 92036
Nearby parks
Straight-line distanceContinue exploring
San Diego County parks PlaygroundsSources & verification
Last verified: Oct 15, 2026- California Protected Areas Database (CPAD) 2026aname, county, agency, access, acres
- San Diego County Parks park page (read in a browser)official_url, hours, hours_note, fees, address, description
- San Diego County Parks FAQ (dogs in County parks)dogs
- OpenStreetMap facilities and trailsfacilities.horseshoes, facilities.picnic-area, facilities.playground, facilities.restrooms, trails
- U.S. Census Bureau place boundaries (nearest place)city
- OpenStreetMap: parking, restrooms, water, trailheads, trail lines, and bus stopsvisit
- Terrain Tiles elevation (USGS 3DEP), sampled every 20 m along OpenStreetMap trail linestrails.elevation
- Official park page (introduction excerpt)intro