The Knik Arm is a tidal estuary located in south-central Alaska, specifically near the city of Anchorage. It is a part of the larger Cook Inlet and serves as a significant waterway for local wildlife and marine activities. The arm is characterized by its unique geography, with steep cliffs and glacial landscapes surrounding it. This estuary is also known for its rich ecosystem, which includes various species of fish, birds, and marine mammals. The Knik Arm is a popular destination for outdoor activities such as fishing, kayaking, and wildlife watching, attracting both locals and tourists alike.