Kaw Marsh is a wetland area located in Kansas, primarily within Riley County. It serves as an important habitat for various species of birds and other wildlife, making it a popular spot for birdwatching and nature enthusiasts. The marsh is characterized by its diverse plant life and seasonal water levels, which support a rich ecosystem. The area is part of the larger Kaw River watershed and plays a crucial role in flood control and water quality improvement. Conservation efforts are in place to protect this unique environment, ensuring that it remains a vital resource for both wildlife and the local community.