The Shrewsbury River is a tidal estuary located in New Jersey, flowing into the Atlantic Ocean. It stretches approximately 10 miles and is known for its scenic beauty, making it a popular spot for recreational activities such as boating, fishing, and kayaking. The river is surrounded by several towns, including Shrewsbury and Red Bank, which offer access to its waters. The river is an important habitat for various wildlife species, including birds and fish. It also plays a role in the local ecosystem, supporting both freshwater and saltwater environments. The Shrewsbury River is part of the larger Navesink River watershed, contributing to the region's natural resources.