River Slea is a small river located in the eastern part of England, primarily flowing through the county of Lincolnshire. It is known for its gentle meandering course and contributes to the local ecosystem by providing a habitat for various species of wildlife. The river eventually joins the River Witham, which is a larger waterway in the region. The Slea is often appreciated for its scenic beauty and is a popular spot for walking and nature observation, attracting both locals and visitors who enjoy the tranquil environment.