2026
2026
Willow Slough Bridge
Managed by Cosumnes River Preserve
Since Apr 2026
In California, US
CRP109
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About this site
Lining both sides of the bridge are dense stands of buttonbush, a native wetland shrub well adapted to life along slow-moving waterways. In summer, its distinctive white, spherical flower clusters resemble large buttons, giving the plant its name. Interwoven among the buttonbush are willow trees, another hallmark of healthy riparian areas, providing shade, structure, and habitat for a wide variety of wildlife.
Over time, environmental changes—including shifting rainfall patterns, prolonged droughts, and more intense storm events—can alter water levels and the health of this habitat. Monitoring this location helps us understand how climate change may be influencing plant growth, seasonal timing, and the overall resilience of riparian ecosystems.
About Cosumnes River Preserve
The Cosumnes River Preserve consists of over 50,000 acres of wildlife habitat and agricultural lands owned by seven land-owning Partners. The Partners include The Nature Conservancy, Bureau of Land Management, California Department of Fish & Wildlife, Sacramento County Regional Parks, Department of Water Resources, Ducks Unlimited, and the California State Lands Commission. The Preserve is centered along the Cosumnes River, its floodplains and riparian habitat. This habitat is buffered by a variety of agricultural operations. The Preserve provides numerous social, economic, and recreational benefits to local communities and to people residing in the larger Sacramento and San Joaquin areas. The habitat supports wildlife, including birds that migrate throughout the Pacific Flyway.
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