4.8
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10,276
hikers
301
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Hiking in Horse Hill Open Space Preserve offers a diverse landscape of open spaces and rolling hills in Marin County. The preserve features trails that wind through areas with mature oak trees and provide panoramic views of the San Francisco Skyline, Richardson Bay, and Mount Tamalpais. Seasonal springs can be observed on the south slope during winter months. The terrain includes both single-track paths and fire roads, with varying elevation gains.
Last updated: July 7, 2026
1.80km
00:33
100m
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The Dollar Fire Road offers a refreshing, easy hike on a wide dirt and gravel path within the Horse Hill Preserve in Mill Valley. This multi-use trail provides a consistent,โฆ
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hikers
5.45km
01:22
10m
10m
The Corte Madera Marsh Path offers a wonderfully accessible escape into nature, winding through serene wetlands with continuous waterside views along Corte Madera Creek. You'll enjoy panoramic vistas of Mountโฆ

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5
hikers
2.25km
00:34
10m
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Enjoy an easy 1.4-mile (2.2 km) hike through Hauke Park and Bayfront Park, featuring scenic bay views and birdwatching opportunities.
5.0
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3
hikers
6.28km
01:49
170m
170m
If you're looking for an easy hike with big payoffs, the Bob Middagh & Horse Hill Trail loop is a fantastic option. This 3.9-mile (6.3 km) route, with 542 feetโฆ
11
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3.93km
01:01
30m
30m
The Walking Path loop from Corte Madera offers a delightful, flat, and wide multi-use experience, perfect for a relaxed outing. You'll enjoy peaceful creekside views along this accessible route, whichโฆ
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Quiet residential street with bike lane connecting the bike trail that ends at the Camino Alto tunnel with the bike trail over Horse Hill parallel to Hwy 101
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To circumvent the still closed Alto tunnel hikers and bikers can either climb up the steep connection here to Camino Alto grade, or turn east a few yards earlier at the school to make their way over to Horse Hill trail, along noisy 101 Highway
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Pretty view of the SF skyline from the entrance to a vast trail and fireroad network, for long hikes into the Marin Hills and Mt Tam, some shared with mountain bikes.
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Fine hiking trail, in part along a wide fire road, other sections narrow single tracks, connecting Camino Alto and Horse Hill Open Space Preserves
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Peaceful northern end of the Baywood Park wetland with a wooden pedestrian/bike bridge.
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Horse Hill Open Space Preserve offers a wide variety of hiking experiences, with over 240 routes to explore. These trails cater to different fitness levels, ranging from easy strolls to more challenging excursions.
Hikers are treated to spectacular panoramic vistas. On clear days, you can enjoy expansive views of the San Francisco Skyline, Richardson Bay, and the majestic Mount Tamalpais. The preserve itself features open spaces and rolling hills, with some trails winding through shady areas with mature oak trees.
Yes, Horse Hill Open Space Preserve has plenty of options for beginners and those seeking an easy walk. There are nearly 100 easy routes available. For example, the Bob Middagh & Horse Hill Trail loop is an easy 3.9-mile path traversing rolling hills and open grasslands, perfect for a relaxed outing.
Yes, Horse Hill Open Space Preserve is generally dog-friendly. Many trails allow dogs, but it's always best to keep them on a leash and be mindful of other hikers, equestrians, and wildlife. Please remember to clean up after your pet; dog waste bag dispensers are available near parking areas.
A significant and beloved attraction is the herd of approximately fourteen horses that graze peacefully on the hill, contributing to the preserve's "Old California" ranch vibe. While visitors should observe them from a distance, their presence adds unique charm. You might also spot various raptors, bunnies, turkeys, deer, and even coyotes. In spring, wildflowers like lupine and Douglas iris bloom beautifully.
The preserve is beautiful year-round, but spring is particularly vibrant with blooming wildflowers. Winter brings seasonal springs on the south slope, though some trails can be muddy. Clear days offer the best panoramic views of the San Francisco skyline and Mount Tamalpais, making autumn and spring ideal for photography and expansive vistas.
Yes, many of the trails in Horse Hill Open Space Preserve are designed as loops, offering varied scenery without retracing your steps. An example is the Walking Path loop from Corte Madera, a 2.4-mile trail that can be completed in about an hour.
Hikers should stay on marked trails and be aware of poison oak, which is common in the area. It's also advisable to check for ticks after your outing, especially during warmer months. During winter, some fire roads and single-track paths can become muddy. There are no restrooms or drinking fountains within the preserve, so plan accordingly.
The area is highly rated by the komoot community, with an average score of 4.8 stars from over 500 reviews. Reviewers often praise the expansive views of the bay and mountains, the peaceful atmosphere, and the well-maintained trails that offer options for all skill levels. The presence of the grazing horses is also frequently mentioned as a unique highlight.
Absolutely. The preserve features over 120 moderate routes for those looking for a longer or more challenging experience. A popular choice is the Sausalito Houseboats โ Sausalito โ Mill Valley Path loop from Alta, an 8.8-mile trail that takes around 3 hours 43 minutes to complete and offers expansive bay views.
Yes, parking is available at various access points to the preserve. While specific parking lots are not detailed, you'll find designated areas near trailheads. Dog waste bag dispensers and garbage cans are typically located near these parking areas for convenience.
While the preserve is primarily accessed by car, some areas might be reachable via public transport connections to nearby towns like Mill Valley or Sausalito, followed by a walk or short ride. However, direct public transport access to all trailheads within the preserve may be limited, so planning your route in advance is recommended.


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