Grizzly Island Wildlife Area: A Marshland Haven
Explore California's largest estuarine marsh, a haven for diverse wildlife and outdoor activities, just a short drive from San Francisco and Sacramento.
Grizzly Island Wildlife Area, nestled in the heart of California's Suisun Marsh, offers a unique opportunity to explore a vast estuarine wetland. This protected area is home to diverse wildlife, including migratory birds, tule elk, and river otters, providing a scenic escape for nature lovers, anglers, and hunters.
A brief summary to Grizzly Island Wildlife Area
- 2548 Grizzly Island Rd, Suisun City, California, 94585, US
- +1707-425-3828
- Visit website
- Monday 7 am-4 pm
- Tuesday 7 am-4 pm
- Wednesday 7 am-4 pm
- Thursday 7 am-4 pm
- Friday 7 am-4 pm
Local tips
- Check the CDFW website or call (707) 425-3828 for seasonal closures before visiting, as the area is often closed for hunting from late July to early February.
- Bring binoculars for optimal birdwatching, especially during the peak migration months of November to March.
- Wear comfortable shoes and dress in layers, as the weather in the marsh can be unpredictable.
- Obtain a day-use permit at the self-registration booth upon arrival.
- Stay on designated roads and trails to avoid disturbing wildlife and damaging sensitive habitats.
Getting There
-
Driving
From I-80, take Highway 12 east towards Rio Vista. Turn south onto Grizzly Island Road at the stoplight near the Sunset Shopping Center. The Grizzly Island Complex Headquarters is approximately 9.5 miles further down Grizzly Island Road. Be aware that Grizzly Island Road includes a one-lane bridge. Parking is available in designated lots throughout the wildlife area. Note that roads are unpaved. There are no fees for parking.
Discover more about Grizzly Island Wildlife Area
Iconic landmarks you can’t miss
Downtown Martinez & Co.
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Don Fernando Pacheco Adobe (California Historical Landmark No. 455)
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One Plant Dispensary - Antioch
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Antioch City Marina
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Antioch Marina Harbor
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Delta Bowl
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Americas Best Value Inn Antioch
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Martinez Museum
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Historic Downtown Martinez Welcome Sign
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