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Routes
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Marin County

French Ranch Open Space Preserve

Routes
Hikes
Marin County

French Ranch Open Space Preserve

The best dog-friendly hikes and walks in French Ranch Open Space Preserve

4.8

(53)

646

hikers

Dog friendly hiking trails in French Ranch Open Space Preserve traverse 403 acres of diverse landscapes in Marin County. The preserve features deep, forested canyons with Douglas fir, redwood, oak, and tanoak trees, alongside ridges offering expansive valley views. Significant areas of exposed serpentine soil at the western end support rare plant species. This area is also a crucial part of the Lagunitas Creek watershed.

Best dog friendly hiking trails in French Ranch Open Space Preserve

  • The most popular dog…

Last updated: July 8, 2026

5.0

(1)

10

hikers

#1.

Bon Tempe Lake and Cataract Falls Loop Trail

14.8km

04:20

400m

390m

Embark on the Bon Tempe Lake and Cataract Falls Loop Trail for a moderate hike spanning 9.2 miles (14.8 km) with an elevation gain of 1309 feet (399 metres). You…

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Moderate

Embark on the Bon Tempe Lake, Alpine Lake & Laurel Dell Falls loop, a difficult hike spanning 11.1 miles (17.9 km) with a significant elevation gain of 1718 feet (523…

Hard
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Embark on the Mickey O' Brien Trail to Coastal Trail loop, a moderate hiking route that guides you through the diverse landscapes of the Mount Tamalpais Watershed. This 9.4-mile (15.2…

Moderate

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Tips from the Community

Christopher
November 5, 2023, Alpine Lake

Don't be fooled, 'Alpine Lake' is the name of this body of water, but the fact that it is an alpine lake is highly debatably at a lowly 768 feet. Irregardless, the views are still nice. You can look but not touch as there is no swimming or boating allowed in the lake.

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Sue
September 15, 2023, Lake Lagunitas Dam

The Lagunitas Dam, completed 151 years ago, was built in less than four months and was 480 feet long with a crest of 20 feet. The purpose was to supply development in the San Rafael area. Its current capacity is 350 acre-feet or 114 million gallons. Lake Lagunitas is one of seven Marin Municipal County Reservoirs, and the combined rainfall collected from these reservoirs makes up around 75 % of the district's water supply.

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Christopher
August 21, 2023, Alpine Lake

Don't be fooled, 'Alpine Lake' is the name of this body of water, but the fact that it is an alpine lake is highly debatably at a lowly 768 feet. Irregardless, the views are still nice. You can look but not touch as there is no swimming or boating allowed in the lake.

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This is a beautiful small lake. Quite a delight to ride here!

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Very strenuous and technical hike but beautiful. Dog friendly.

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Covered shelter hut, picnic tables, restroom, and parking.

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Shaded picnic platform overlooking the lake and some interesting display of low-tech dam water management infrastructure.

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Earthen Dam, pleasant trail on top.

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Frequently Asked Questions

How many dog-friendly hiking trails are available in French Ranch Open Space Preserve?

There are 3 dedicated dog-friendly hiking routes in French Ranch Open Space Preserve, offering a range of experiences for you and your canine companion.

What kind of terrain can I expect on dog-friendly hikes in French Ranch Open Space Preserve?

The preserve features diverse terrain, from deep, forested canyons with Douglas fir and redwood trees to ridges offering expansive valley overlooks. You'll also encounter unique serpentine soil areas supporting rare plant species. The trails vary, providing both serene, shaded paths and more open sections.

Are there any waterfalls or significant natural features to see with my dog?

Yes, several dog-friendly routes feature impressive natural attractions. For instance, the Bon Tempe Lake and Cataract Falls Loop Trail includes the beautiful Cataract Falls. Another route, the Bon Tempe Lake, Alpine Lake & Laurel Dell Falls loop, passes by Laurel Dell Falls. The preserve is also part of the vital Lagunitas Creek watershed.

What do other hikers say about the dog-friendly trails in French Ranch Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.9 stars from 42 ratings. Reviewers often praise the diverse terrain, the peaceful forested sections, and the well-maintained paths that make for an enjoyable experience with dogs.

Are dogs allowed off-leash in French Ranch Open Space Preserve?

Regulations regarding off-leash dogs can vary. It's always best to check the official signage at trailheads or the Marin County Parks website for the most current rules to ensure a safe and compliant hike for everyone.

Where can I find parking for dog-friendly trails in the preserve?

Parking is generally available at designated trailheads. Specific parking information for each route can often be found on the individual tour pages on komoot. For example, access points for trails like the Bon Tempe Lake and Cataract Falls Loop Trail typically have nearby parking facilities.

What is the best season to hike with my dog in French Ranch Open Space Preserve?

Spring and fall are generally ideal for hiking with dogs in French Ranch Open Space Preserve. The weather is milder, and the natural beauty, such as blooming wildflowers in spring or vibrant foliage in fall, is at its peak. Summer can be warm, so early morning or late afternoon hikes are recommended, and always carry plenty of water for both yourself and your dog.

Are there any challenging dog-friendly hikes for experienced hikers?

Yes, for experienced hikers and their dogs, the Bon Tempe Lake, Alpine Lake & Laurel Dell Falls loop is a challenging option. This route covers nearly 18 km with significant elevation gain, offering a strenuous but rewarding adventure through varied landscapes.

Are there any specific viewpoints or scenic overlooks on the dog-friendly routes?

Many trails in the preserve offer scenic views. The region research mentions ridges that provide expansive views overlooking the valley. While not a specific route, the Moon Hill Summit - Nicasio Valley Road is a notable highlight in the area known for its vistas.

What should I bring for a dog-friendly hike in this preserve?

Always bring plenty of water for both you and your dog, a leash, waste bags, and a portable bowl. Depending on the length of your hike, snacks for both of you are also a good idea. Consider dog booties for rocky terrain or hot surfaces, and a first-aid kit for minor scrapes.

Are there any kid and dog-friendly options that are not too long?

While the listed dog-friendly routes are generally longer, the preserve itself offers diverse trails. For shorter, family-friendly options that might also be suitable for dogs, consider exploring parts of the Roy's Redwoods Loop Trail, which is known for its easy 3.2-mile path through redwood groves and is often cited as family-friendly. Always check specific trail regulations for dogs.

Can I find dog-friendly loop trails in French Ranch Open Space Preserve?

Yes, all three featured dog-friendly routes are loop trails, providing a varied experience without retracing your steps. Examples include the Bon Tempe Lake and Cataract Falls Loop Trail and the Mickey O' Brien Trail to Coastal Trail loop.

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Family-friendly hikes in French Ranch Open Space Preserve

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