A promontory is a high point of land that juts out into a body of water, such as an ocean, sea, or lake. These landforms are often characterized by steep cliffs and provide scenic views of the surrounding area. Promontories can be formed through various geological processes, including erosion and tectonic activity. Promontories are significant in navigation and ecology. They often serve as landmarks for sailors and can influence local weather patterns. Additionally, they provide unique habitats for various plant and animal species, making them important for biodiversity. Examples of well-known promontories include Cape Cod and Point Reyes.