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Water

SAFEGUARDING WATERSHEDS IN SOUTHWEST WASHINGTON

Aquatic Restoration Project Spotlight: relocating beavers

While beaver populations have rebounded in many areas since the end of the fur trade, it is estimated that there are 6 -12 million beavers in North America, which is just a fraction of estimated pre-European levels of 40-600 million. Beavers are a keystone species and a crucial part of our strategy for restoring aquatic habitat and building climate change resilience in the Cascades. Our beaver reintroduction efforts focus on headwater systems where natural recovery has been slow due to habitat fragmentation and the relatively slow pace of upland colonization by beavers. We collaborate with university partners to study the impacts of beaver recovery and the movement patterns of reintroduced beavers to inform future relocation efforts and better understand the role of beavers returning to the landscape.

A Land Shaped by Water and Salmon

The creeks, rivers, and wetlands that make up the complex watersheds in the southern Washington Cascades are vital to the health of the entire region. These systems support threatened salmon and trout, an array of amphibians, birds, and insects, and downstream human communities. Waterways and aquatic species in southern Washington’s Cascades have been negatively impacted over the years by streamside logging, dams, water pollution, stream “cleanout” activities, and overall habitat degradation. They are now facing increasing threats from climate change, such as rising water temperatures and shifting precipitation and flow patterns, further endangering cold water-dependent species like salmon and steelhead. The health of our watersheds is vital to the health of the entire region. Therefore, CFC works to protect waterways from further damage and restore damaged habitats, leading to healthier and more resilient ecosystems.

  • We speak out against attempts to weaken or bypass existing protections and advocate for policies that ensure the long-term health of waterways.

  • We assess the potential effects of timber sales and other proposed development projects on aquatic habitats and fight to prevent or minimize adverse impacts.

  • We work with partners including the Cowlitz Indian Tribe, Lower Columbia Fish Enhancement Group, the U.S. Forest Service, and individual volunteers on large-scale aquatic restoration projects to improve salmon habitats in the region.

  • Other restoration projects like the Instream Wood Bank Network, the construction of beaver dam analogs (BDAs), strategic beaver reintroductions, and planting native tree species along waterways improve aquatic habitats throughout the forest.

Our approach to protecting and restoring aquatic ecosystems

LIMITING IMPACTS FROM LOGGING AND DEVELOPMENT

Streamside logging sends sediment into waterways, impacting fish habitat and water quality, decreasing shade (which exacerbates warming trends), undermining the stability of stream banks, and removing trees that will one day be valuable for instream wood. CFC works to prevent or limit streamside logging through state-level advocacy and by commenting on proposed timber sales, or other actions that harm sensitive aquatic ecosystems. 

COLLABORATIVE AND INNOVATIVE APPROACHES TO HABITAT RESTORATION

We work collaboratively to address threats to aquatic ecosystems with partners including restoration professionals, Tribes, local landowners, timber companies, federal and state agencies, and our fantastic volunteers! 

Our Instream Wood Bank Network helps source affordable wood for aquatic habitat restoration projects across the region.

CFC is a leader in targeted beaver reintroductions, invasive species management, and the development and implementation of low-tech, process-based restoration techniques. 

These efforts improve aquatic habitat for species like salmon and steelhead and make our region healthier and more resilient to the impacts of climate change. 

Featured water projects

Introducing the Instream Wood Bank Network

The Insteam Wood Bank Network is an innovative strategy for addressing two major aquatic restoration challenges: the lack of wood in waterways and the lack of reliable sources of materials for restoration professionals in the region.​


Improving habitat with Beaver Dam Analogs

Beaver dam analogs (BDAs) are human-made structures designed to mimic many of the ecological benefits of beaver dams. Using natural materials and a lot of hard work, CFC staff and volunteers are improving habitat and building climate resilience by thinking like a beaver.​

Searching for Pacific lamprey

Lampreys are ancient fish, but little is known about their current populations in the areas in which we work. We are helping answer questions about lamprey habitat and species presence and testing how new sampling techniques that use environmental DNA compares to traditional detection methods.​

SPEAK UP FOR A SUSTAINABLE FUTURE

Since 1985, Cascade Forest Conservancy has been your voice speaking for the areas in and around the Gifford Pinchot National Forest in southwest Washington. Join the 12,000 other members who support Cascade Forest Conservancy and are making a difference now.

News & Updates

NEWS RELEASE: CASCADE FOREST CONSERVANCY’S EXECUTIVE DIRECTOR TO TESTIFY BEFORE U.S. HOUSE SUBCOMMITTEE ON FORESTRY

The House Committee on Agriculture asks a nonprofit to testify before the Subcommittee on Forestry and Horticulture on partnerships with the U.S. Forest Service. News Release | 24 June, 2026 Vancouver, WA – Representative Andrea Salinas (OR) called on Molly Whitney, Executive Director of the Vancouver-based conservation non-profit, Cascade Forest Conservancy (CFC), to provide testimony...

BREAKING: NEW EFFORTS TO DEVELOP A MINE ONCE AGAIN THREATEN MOUNT ST. HELENS

Despite previous legal victories, environmental designations, and local public opinion, a Canadian mining corporation is once again taking new toward developing a new mine in the foothills of North America’s most active volcano: Mount St. Helens.     The impacts of hard rock mining extend far beyond the locations of mines themselves. Several recent studies...

FIELD NOTES: APRIL 2026

Executive Director’s Note:   Earth Month offers us an opportunity to celebrate and reflect on the beauty of our awe-inspiring, surprising, and intricately interconnected living world. In today’s tumult of deepening global conflicts and growing uncertainties, I find Earth Month’s invitation to protect and honor the life, landscapes, and processes that sustain and connect us more...