Oyster River is a tidal river located in Maine, primarily flowing through the town of Wells. It is known for its scenic beauty and rich ecosystem, providing habitat for various wildlife, including birds and fish. The river is a popular spot for recreational activities such as kayaking and fishing. The river eventually empties into the Atlantic Ocean, contributing to the coastal environment of Southern Maine. Its surrounding areas feature salt marshes and estuaries, which play a crucial role in maintaining the local ecology and supporting marine life.