Bolinas Lagoon Open Space Preserve
Bolinas Lagoon Open Space Preserve
Best attractions and places to see in Bolinas Lagoon Open Space Preserve, a 1,100-acre tidal estuary in Marin County, California, offers diverse natural features and recreational opportunities. This area is recognized for its ecological importance as a Ramsar wetland and Audubon Important Bird Area, supporting a wide array of wildlife. The preserve's landscape is shaped by the San Andreas Fault, which runs directly through the lagoon. Visitors can explore various habitats, observe migratory birds, and see harbor seals.
Last updated: April 23, 2026
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The road along the west shore of the lagoon is nicely shaded by Eucalyptus trees and sees much less traffic than Coastal Hwy 1 on the other side of the water.
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The sign pointing to the village and beach of Bolinas at this turnoff often gets stolen, as, according to rumors, they don't want to be discovered by tourists. The lush valley north of the lagoon essentially was formed by the San Andreas fault which the road follows to Point Reyes.
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Guided-only access to the Audubon Society-protected area
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Pull out with a popular fishing beach
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Maybe the flattest and fastest gently winding section of California Coastal Highway 1, but with these views across the laguna it may be hard not to stop or slow down to take in the beauty.
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The paved trail along the beach is a leftover of the old road that wound around the lagoon closer than today.
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This gated road into the protected environment of the ranch may only be open by permission or with a guide
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The Bob Stewart Trail is a popular option, gently winding through alder and willow groves at the lagoon's north end, offering close-up water views. You can also find connections to other trails in the surrounding hills that provide sweeping views of the lagoon and ocean. For more options, consider exploring the trails at Audubon Canyon Ranch, which is adjacent to the preserve.
Bolinas Lagoon is a premier birdwatching destination, especially during migratory seasons, with over 160 bird species including herons, egrets, shorebirds, and pelicans. You can also observe harbor seals lounging on sandbars, particularly on Pickleweed and Kent islands. In winter, California newts can be spotted, and the deeper channels are home to fish species like steelhead and coho salmon.
Yes, the preserve offers several family-friendly options. The Bolinas Lagoon - Pike County Gulch Beach is a popular spot with a paved trail that's easy to navigate. The Martin Griffin Preserve also offers wooded trails suitable for a reflective walk. Birdwatching and observing harbor seals are engaging activities for all ages, and the calm waters of the lagoon are suitable for kayaking and canoeing.
The Shoreline Highway 1 offers excellent views across the lagoon, perfect for scenic photography. Additionally, the Highway 1 pullouts along the eastern shore provide great vantage points for wildlife viewing. Kent Island, situated within the lagoon, is a significant spot where harbor seals often haul out, offering unique observation opportunities.
The preserve is rewarding year-round. For birdwatching, the fall and winter months are ideal due to the influx of migratory birds. Spring brings wildflowers along the trails. May and June are excellent for observing heron and egret nestlings at Audubon Canyon Ranch. Early morning or late afternoon often provide the best opportunities for wildlife viewing and fewer crowds.
While the preserve is a natural area, specific regulations regarding dogs can vary. It's best to check local signage or the official Marin County Parks website for the most current information on dog-friendly trails and leash requirements within the Bolinas Lagoon Open Space Preserve to ensure a respectful visit for all wildlife and visitors.
The region around Bolinas Lagoon offers diverse cycling opportunities. For road cycling, you can explore routes like the Martin Griffin Preserve – Bolinas Wharf loop. Mountain bikers can find trails such as the Bolinas Ridge Trail, which offers challenging rides with scenic views. Remember to check the difficulty and specific access rules for each trail.
Bolinas Lagoon is a significant 1,100-acre tidal estuary where freshwater meets the Pacific Ocean, creating a dynamic environment. It's part of the Greater Farallones National Marine Sanctuary and a Ramsar wetland of international importance. The trough in which the lagoon sits was formed by the San Andreas Fault, which runs directly through it, adding to its geological significance. The preserve also boasts diverse habitats including mudflats and salt marshes.
Adjacent to the preserve is the charming and artistic seaside town of Bolinas, where you can find local art galleries like The Bolinas Gallery and enjoy lunch. Just a short distance away is Stinson Beach, a popular destination for beachgoers and surfers, located on the sandbar separating the lagoon from the Pacific Ocean.
Parking is generally available at various pullouts along Highway 1, particularly on the eastern shore of the lagoon, which also serve as excellent vantage points. Specific trailheads and points of interest like Bolinas Lagoon - Pike County Gulch Beach also have designated parking areas. It's advisable to arrive early, especially on weekends, as spots can fill up.
Yes, guided nature tours are available for those who wish for a more in-depth educational experience of Bolinas Lagoon Open Space Preserve. These tours can provide valuable insights into the preserve's ecology, wildlife, and geological significance. For specific tour schedules and booking information, it's recommended to check with local visitor centers or the Marin County Parks website.
When visiting Bolinas Lagoon, it's advisable to wear sturdy, waterproof shoes, especially after rain, as some areas can be muddy. Dressing in layers is recommended due to quickly changing weather conditions. Bringing binoculars is highly recommended for wildlife viewing, particularly for birdwatching and observing harbor seals.


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