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MDAS Field Trip — Grizzly Island & Rush Ranch

February 19 @ 9:00 am - 1:00 pm


Grizzly Island provides habitat for more than 200 species of birds and is home to a variety of threatened or endangered wildlife and plants. Our trip will begin at the Refuge Headquarters and continue for about 7 ½ miles along Grizzly Island Road, which is unpaved and runs through the middle of the Wildlife Area.

Since this trip will involve a car caravan through the wildlife preserve, with limited roadside parking pulloffs, we need to limit the size of our group to no more than 5 vehicles. Accordingly, carpooling to the preserve is encouraged. In the event we arrive at the meeting point with more than 5 vehicles we will need to share cars from that point. There is parking available at the meeting point.

Some things you may need for our outing at Grizzly Island: binoculars, drinking water, sun block, insect repellent, warm jacket, and appropriate footwear. Also, bring lunch and drinks.

Leader: Randy Huey, 925-518-8439
Hike Rating: Category 1-Easy
Elevation change: N/A

Meet: Wildlife Refuge Headquarters, 2548 Grizzly Island Road, Suisun, CA 94585

Directions: From Central Contra Costa County, take I-680 N toward Sacramento. Take Highway 12 off-ramp east toward Rio Vista. Turn onto Grizzly Island Road, at the stoplight at Sunset Shopping Center. Hill Slough Wildlife Area is on both sides of Grizzly Island Road from Highway 12 to the first one-lane bridge. The Grizzly Island Complex Headquarters is 9.5 miles further on Grizzly Island Road.

The trip is limited to 15 participants. Sign up HERE:


February 19
9:00 am - 1:00 pm
Event Category:


Randy Huey


Grizzly Island Wildlife Area
2548 Grizzly Island Road
Fairfield, CA 94585 United States