4.6
(385)
5,373
hikers
11
hikes
Hiking in Rancho San Antonio Open Space Preserve features diverse landscapes, including chaparral, grasslands, and oak woodlands. The preserve encompasses canyons with creeks and fern-lined walls, open meadows, and rolling hills. Black Mountain, a prominent natural landmark, offers expansive views of the Santa Clara Valley and surrounding areas. This varied terrain provides a range of environments for hikers to explore.
Last updated: April 26, 2026
5.0
(1)
15
hikers
15.5km
05:01
700m
700m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
7
hikers
16.3km
05:08
700m
530m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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1
hikers
25.1km
07:32
780m
770m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
1
hikers
1.01km
00:16
0m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(9)
18
hikers
11.9km
03:43
460m
460m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Popular around Rancho San Antonio Open Space Preserve
This is a fantastic trail that runs through California oak woodlands and chaparral. It climbs Elephant Mountain, offering scenic views of the San Francisco Bay Area before descending toward Adobe Creek. Popular for birdwatching and quiet reflection, the route connects to other trails for some great loop options or a longer extended hike to explore this beautiful area.
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Black Mountain, situated on Monte Bello Ridge, is a popular destination for hikers and mountain bikers. With an elevation of 2,812 feet, it's easy to understand why. From the summit, the views of the Santa Cruz Mountains and Silicon Valley are breathtaking.
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A small hike/bike-in campground with a vault toilet and (non-portable) water. You can oversee the lights of Bay Area at night and wake up above the cloud in the morning. You have to get a permit ($2) and the park rangers come and check the permit in the evening.
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This pond rests atop the San Andreas Fault, causing an indentation that later filled up from an underground spring. Unfortunately, the water isn't easily visible due to the overgrowth of cattails in the area. Nonetheless, it remains a beautiful natural spot worth the effort to explore.
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This pond rests atop the San Andreas Fault, causing an indentation that later filled up from an underground spring. Unfortunately, the water isn't easily visible due to the overgrowth of cattails in the area. Nonetheless, it remains a beautiful natural spot worth the effort to explore.
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Standing at 2,800 feet, this mountain provides stunning views of the Monte Bello Open Space Preserve. Accessible from five different parks, reaching this summit allows you to add variety to your route.
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A log bench and a stone engraved memorial with a lookout over the surrounding natural area.
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Hidden Villa deserves an extended visit: This organic farm is a precursor.Its creation dates back to 1924. The place is also important both historically and educationally. It was the first place in the United States to offer a multicultural program for American children. The path passes nearby, Take a break at the farm. www.hiddenvilla.org
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Rancho San Antonio Open Space Preserve offers a vast network of over 200 hiking routes. These range from easy walks to challenging ascents, traversing diverse landscapes like chaparral, grasslands, and oak woodlands.
Yes, a significant attraction for families is Deer Hollow Farm, a historic working farm. It's accessible via an easy, flat one-mile trail that is also stroller and wheelchair-friendly. The farm features animals, picnic areas, and restrooms, offering an educational and enjoyable experience for all ages.
The preserve is known for its abundant wildlife. Visitors frequently spot deer, and sightings of wild turkeys, rabbits, squirrels, and quails are common. Occasionally, coyotes and even bobcats are reported. The diverse habitats also support numerous bird species.
For spectacular panoramic views, consider hiking to Black Mountain. Its summit provides undisturbed vistas in all directions, including Mount Tamalpais, Mount Hamilton, the Santa Clara Valley, and even the distant Pacific Ocean on clear days. Additionally, the High Meadow Vista Point offers sweeping views of the South Bay.
Spring is particularly beautiful, as the meadows burst with wildflowers like lupine, poppies, and blue-eyed grass. Autumn also offers vibrant colors from the deciduous oak leaves across the rolling hills. The preserve's diverse trails can be enjoyed year-round, but spring and autumn provide unique scenic beauty.
Yes, the preserve offers numerous loop possibilities. A popular option is the High Meadow Trail loop, which traverses through oak woodlands and expansive grasslands. For a more challenging experience, the Black Mountain loop via Black Mountain Trail offers varied terrain and panoramic vistas.
Hikers will experience a variety of environments, including chaparral, expansive grasslands, and dense oak woodlands. Some trails, like the Wildcat Loop Trail, lead into cool, fern-walled narrow canyons, while others feature open meadows and areas with California bay and maple trees alongside an understory of ferns and berry bushes.
The trails in Rancho San Antonio Open Space Preserve are highly rated by the komoot community, with an average score of 4.6 stars from over 300 reviews. More than 5,500 hikers have used komoot to explore the preserve, often praising its varied terrain and scenic beauty.
Yes, creeks meander through parts of the preserve. One canyon, in particular, is noted for its California bay and maple trees, along with an understory of ferns, creambush, and berry bushes, indicating a lush, water-influenced environment. The Adobe Creek Trail also offers a moderate hike near water.
The preserve caters to a wide range of hikers. There are over 100 easy routes, nearly 100 moderate options, and a selection of challenging trails, including difficult ascents to prominent features like Black Mountain. This variety ensures there's a suitable trail for every fitness level.
In spring, many of the secluded and open meadows throughout the preserve burst with wildflowers. You can expect to see lupine, poppies, and blue-eyed grass, making it a particularly scenic time for a hike.
For those seeking a challenge, the Black Mountain Summit trail is a difficult 12.3-mile (19.8 km) path leading through varied terrain to the summit, typically taking over 6 hours. Another demanding option is the Chamise Trail, a moderate 15.7 km route with significant elevation gain.


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