4.5
(210)
3,450
hikers
23
hikes
Dog friendly hiking trails in El Sereno Open Space Preserve are located within the Santa Cruz Mountains in Santa Clara County, California. The preserve features diverse landscapes, including exposed chaparral communities, open meadows, and shaded creek areas. Terrain includes steep slopes and ridgeline paths, rising to the 2,500-foot Mount El Sereno. Hikers can expect panoramic views of Silicon Valley, Lexington Reservoir, and on clear days, the Monterey Peninsula.
Last updated: May 14, 2026
2
hikers
2.40km
00:40
40m
60m
Embark on an easy hike along the John Nicholas Trail to Lake Ranch Reservoir, a pleasant route that winds through shaded fir and bay laurel woods. You will cover 1.5…
5.0
(1)
23
hikers
6.11km
01:41
110m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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14
hikers
5.32km
01:39
200m
200m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
10
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.17km
01:15
180m
40m
Hike the easy 2.6-mile Maisie's Peak via Parker Ranch Trail for panoramic views of Santa Clara Valley and diverse scenery.
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Popular around El Sereno Open Space Preserve
The Lake Ranch Reservoir is nice and peaceful to run, walk, hike, or bike along. There is a picnic table on the north side of the pond that you could rest at. Since the water is in a small valley, you may want to bring bug spray in the spring/summer months.
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From the top of the dam you get splendid views out across Lexington Reservoir. To the north you overlook the winding end of the Los Gatos Creek Trail, which connects to the Jones Trail across from the restroom just up the road. The dam itself was constructed in 1952 and stands at nearly 200 feet tall.
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Nestled near Los Gatos, St. Joseph's Hill Open Space Preserve offers picturesque vistas of the town. Spanning 273 acres atop a 1,250-foot hill, this reserve boasts classic wilderness charm. Popular among cyclists, hikers, equestrians, and dog enthusiasts, it's a bustling hub for outdoor activity. Explore its diverse array of trails and discover why it's such a beloved destination.
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St. Joseph's Hill Open Space Preserve serves as a scenic backdrop to the nearby town of Los Gato. It is a reserve that protects 273-acres of open space land on top of the 1,250-foot hill from which it takes its name. It is a classic wilderness area but it is busy with hikers, riders, equestrians and dog walkers. This is for a good reason as there is a wide variety of good trails in the area. When you are riding here, most of the trails are best done on a gravel bike or on decent touring tires.
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Serving as a scenic backdrop to the town of Los Gatos, St. Joseph's Hill is a 1,250-foot hill that looks down Los Gatos Creek valley and down over nearby Lexington Reservoir. It is also the summit of the Manzanita trail, which is a classic ride best done on a gravel bike.
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Maisie's Peak offers panoramic views of the surrounding open space and Diablo Mountain range at 1,180 feet of elevation. This is the highest point in the park.
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The Lake Ranch Reservoir is nice and peaceful to run, walk, hike, or bike along. There is a picnic table on the north side of the pond that you could rest at. Since the water is in a small valley, you may want to bring bug spray in the spring/summer months.
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The summit of Saint Josephs Hill offers views of Los Gatos Creek valley into Silicon Valley and of the Lexington Reservoir. A couple benches and a fence mark the summit of the hill and serve as a good spot for a break while you take in the view.
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El Sereno Open Space Preserve offers over 20 dog-friendly hiking trails, ranging from easy strolls to more challenging ascents. You'll find a good mix of routes suitable for various fitness levels, with 13 easy and 8 moderate options.
For an easy and relatively short walk with your dog, consider the John Nicholas Trail to Lake Ranch Reservoir. It's just under 2.5 km with minimal elevation gain, perfect for a relaxed outing. Another great option is the James J. Lenihan Dam – Lexington Reservoir Overlook loop, offering scenic views over 4 km.
Yes, there are several dog-friendly loop trails. A popular choice is the Lake Ranch Reservoir – Lake Ranch Reservoir loop from El Sereno, which is an easy 6.1 km route. Another option is the Saint Josephs Hill summit loop from Los Gatos, offering a 5.3 km loop with rewarding views.
Hikers and their dogs are consistently rewarded with spectacular panoramic views. From various points, you can see Silicon Valley, the city of Los Gatos, and the expansive Lexington Reservoir. On clear days, views can extend as far as the Monterey Peninsula and the ocean. Specific viewpoints like the Aquinas Trail ridge and the summit of El Sereno offer particularly stunning outlooks.
Spring is an ideal time to visit, as wildflowers bloom in the meadows and throughout the chaparral, creating a beautiful backdrop for your hike. Winter also offers unique displays with manzanitas and various ceanothus. While much of the preserve is exposed, some shaded areas can be found near creeks, offering cooler retreats during warmer months.
The trails in El Sereno Open Space Preserve are highly rated by the komoot community, with an average score of 4.6 out of 5 stars from over 220 ratings. Reviewers often praise the diverse landscapes, the rewarding panoramic views, and the well-maintained trails that make for an enjoyable experience with their canine companions.
Absolutely! The preserve is known for its incredible vistas. Be sure to check out the Vista Point (Overlook Trail) for stunning scenery. Other notable spots include the View of El Sereno Open Space Preserve and the View of the South Bay from El Sereno Open Space Preserve, all offering unique perspectives of the surrounding area.
The preserve features diverse landscapes, from exposed chaparral communities with fragrant plant life to higher elevation open meadows. You'll encounter steep slopes and defined ridgeline paths, especially as you ascend towards Mount El Sereno. Trails like Maisie's Peak via Parker Ranch Trail offer a good mix of terrain and elevation changes.
While the preserve is dog-friendly, it's always important to keep your dog on a leash and to clean up after them. Be mindful of wildlife, as the preserve is home to various species. Always check the Midpeninsula Regional Open Space District's official website for the most current regulations regarding dogs and trail usage.
While much of El Sereno Open Space Preserve is characterized by exposed chaparral and open meadows, some shaded areas can be found near creeks. It's advisable to plan your hikes during cooler parts of the day, especially in summer, and always carry plenty of water for both yourself and your dog.


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