The best walks and hikes in Thornewood Open Space Preserve
4.6
(226)
3,588
hikers
138
hikes
Hiking in Thornewood Open Space Preserve takes place within a 167-acre area characterized by forested hills. The trails wind through a mix of second-growth redwood, Douglas fir, oak, and madrone woodlands. A central feature is Schilling Lake, a small body of water surrounded by redwoods, which serves as a wildlife habitat. The preserve offers occasional views of the southern San Francisco Bay.
Best hiking trails in Thornewood Open Space Preserve
- The most popular hiking route is Thornwoode Open Space Preserve – Schilling Lake loop from Thornewood Open Space Preserve, a 3.2 miles (5.2 km) trail that takes 1 hour 36 minutes to complete. The path descends through forest to the area around Schilling Lake.
- Another top favourite among local hikers is Alambique, Skyline, Meadow and Bear Gulch Trail Loop, a difficult 12.2 miles (19.7 km) path. This longer route features significant elevation gain through varied forest types.
- Local hikers also love the Schilling Lake Trail, a 1.6 miles (2.6 km) trail leading through redwood and oak forest, often completed in about 41 minutes.
- Hiking in Thornewood Open Space Preserve is defined by shaded forest paths, redwood groves, and rolling hills. The trail network offers both easy and moderate options for different ability levels.
- The routes in Thornewood Open Space Preserve are highly rated by the komoot community with an average score of 4.6 stars from over 250 reviews. More than 3,700 hikers have used komoot to explore Thornewood Open Space Preserve's varied terrain.
Last updated: August 17, 2026
2
hikers
19.7km
05:56
790m
430m
Hike the difficult 12.2-mile Alambique, Skyline, Meadow and Bear Gulch Trail Loop through diverse forests and meadows in Wunderlich County P
19.2km
05:25
340m
520m
Old La Honda Road offers a unique hiking experience, primarily along a narrow, paved road that winds through a beautiful, tree-lined landscape. You'll start in the oak woodlands near Woodside and gradually ascend into denser redwood groves, enjoying generous shade from the frequent tree canopy throughout your journey. The route is characterized by its twisting nature and sustained uphill grades, providing a consistent physical challenge.
This difficult 11.9-mile (19.2 km) hiking route involves 1129 feet (344 metres) of elevation gain and typically takes around 5 hours and 24 minutes to complete. Parking is available in Woodside, though arriving early is recommended, particularly on busy days. Be prepared for a continuous climb, and ensure you carry sufficient water for the duration of the hike.
Historically, Old La Honda Road was the original route to the town of La Honda, now largely replaced by Highway 84. Today, it's renowned as a benchmark climb for cyclists in the Bay Area, and its scenic beauty and accessibility make it a popular choice for those seeking a challenging workout. It also provides access to other trail systems, including those within Windy Hill Open Space Preserve, offering opportunities for broader exploration and ridge-top views.
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3.5
(2)
21
hikers
2.56km
00:42
30m
30m
The Schilling Lake Trail offers a surprisingly diverse and tranquil hiking experience packed into a short distance. You'll wander through sun-dappled oak and madrone forests, transitioning into lush, cool redwood groves before reaching the serene, marshy Schilling Lake. This easy 1.6-mile (2.6 km) route, with just 113 feet (34 metres) of elevation gain, can be completed in about 41 minutes, making it an ideal quick nature escape.
Located in Thornewood Open Space Preserve, the trail begins with a moderate incline from the parking lot before leveling out. It's generally less crowded than other local trails, offering a peaceful outing. While the trail is family-friendly, be mindful of poison oak in the area and the potential for mountain lion sightings, as with any wilderness area. Visiting after winter rains can reward you with vibrant wildflowers.
This trail is a fantastic example of the diverse ecosystems found in the Santa Cruz Mountains, showcasing a rapid shift from dry hillsides to damp redwood forests. You can extend your adventure by connecting with the Bridle Trail for a longer, roughly 3-mile out-and-back hike along Dennis Martin Creek. The preserve also offers occasional panoramic views of Stanford University and the South Bay from higher vantage points.
5.0
(2)
15
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
15
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Tips from the Community
This little 167-acre preserve is perfectly situated for a quick getaway; you might also see equestrians here. Dogs are allowed on leash.
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This is where La Ronda Road meets Skyline Boulevard. After the climb, it’s the perfect place to recharge and grab something to eat at one of the nearby restaurants or grocery stores. Alise's Restaurant is a popular one.
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Wunderlich Park, spanning 942 acres, is picturesque, with a beautiful mix of chaparral and redwood forest, expansive meadows, and striking oak and madrone trees. There is plenty of open space featuring a network of lovely hiking trails. Donated to the county by Martin Wunderlich, this area includes what was once the Folger family ranch. The stable and surrounding buildings have been meticulously restored, serving as a cherished historic landmark for the community. Dogs are not allowed in the park, so you'll need to leave your pup at home.
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This is a well-maintained trail, adorned with tall trees, small creek crossings, and enjoyable single-track paths around fallen trees. With its mostly shaded surroundings, comfortable weather, and limited crowds, it's a picturesque and serene hike that leaves you wishing it were longer.
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At an estimated age of 1860 years and reaching a towering height of over 200 feet at its tallest point and with a trunk diameter of 14 feet, this remarkable tree stands as one of the few remaining first-growth trees in the region. Witnessing its grandeur firsthand is essential to fully comprehend its immense magnitude.
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Frequently Asked Questions
Are dogs allowed in Thornewood Open Space Preserve?
Yes, Thornewood is a great option for dog owners. Dogs are permitted on all trails as long as they are on a leash.
What are the parking options at the trailhead?
There is a small, limited parking area at the trailhead located at 707 La Honda Rd, Woodside. It can fill up quickly, particularly on weekends, so arriving early is recommended.
Are there any restrooms or drinking water in the preserve?
No, there are no restroom facilities or drinking water available within Thornewood Open Space Preserve. Please plan accordingly and bring your own water.
What's a good easy hike for a family or a quick walk?
For a shorter, easier outing, the Thornwoode Open Space Preserve – Schilling Lake loop from Westridge is a great choice. It's a relatively flat 2.3-mile (3.7 km) walk that gives you a good feel for the preserve's redwood and oak forests.
Are there any circular or loop trails available?
Yes, there are several loop options. A popular choice that combines the main trails is the Thornwoode Open Space Preserve – Schilling Lake loop from Woodside. This route offers a comprehensive tour of the preserve's varied landscapes over about 3.2 miles (5.1 km).
Which trails are best for seeing redwood trees?
You'll find beautiful second-growth redwoods throughout the preserve. The area around Schilling Lake is particularly scenic, with majestic redwoods surrounding the water. The Bridle Trail also descends through a lush forest of redwoods and Douglas fir.
Is Thornewood Open Space Preserve suitable for trail running?
Yes, the trails are popular with trail runners. The rolling hills and forested paths provide a good workout. For a more challenging run with significant elevation gain, consider the Skyline Trail – Great Climb to Skyline loop from Woodside, which covers about 6 miles (9.7 km).
What do other hikers enjoy most about Thornewood Open Space Preserve?
The preserve is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the serene, shaded trails, the beautiful redwood groves, and the fact that it's a dog-friendly location. The well-marked paths through diverse woodlands are a consistent highlight.
When is the best time to see wildflowers or fall colors?
Spring is the best time for wildflowers, when you can spot varieties like the fetid adder's tongue. For autumn colors, visit in the fall when the black oaks and big-leaf maples put on a colorful display.
Are there any waterfalls in the preserve?
After heavy winter rains, you may see small, seasonal cascades along Dennis Martin Creek. These are not large waterfalls but add to the beauty of the hike during the wet season.
Can I go horseback riding in Thornewood?
Yes, equestrians are welcome in the preserve. The main trails, including the Bridle Trail and Schilling Lake Trail, are open to horseback riding.
How does Thornewood compare to nearby Wunderlich Park?
Thornewood is much smaller (167 acres) and offers a more intimate hiking experience with fewer trails, making it ideal for a quick, serene escape. Wunderlich County Park is significantly larger with a more extensive trail network for longer hikes. If you're looking for a longer, more challenging route nearby, the Bear Gulch & Alambique Trail loop in Wunderlich is a popular moderate option.
Most popular routes in Thornewood Open Space Preserve
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