The Lake Washington-Cedar River Watershed is a vital ecological area located in Washington State. It encompasses the Cedar River, which flows into Lake Washington, providing a crucial water source for the surrounding communities and ecosystems. The watershed supports diverse wildlife and plant species, contributing to the region's natural beauty and environmental health. This watershed is also essential for water supply, recreation, and flood management. It plays a key role in the water cycle, capturing rainfall and snowmelt, which helps maintain the water levels in Lake Washington. Conservation efforts are ongoing to protect this important resource from pollution and habitat degradation.