Outdoor pools are large water-filled structures designed for swimming and recreation, typically located in backyards, parks, or resorts. They can be made from various materials, including concrete, fiberglass, or vinyl, and come in different shapes and sizes. Outdoor pools are often surrounded by decks or patios, providing space for sunbathing and relaxation. These pools are popular during warm weather, offering a refreshing way to cool off. Many outdoor pools include features like slides, diving boards, and lighting for evening use. Regular maintenance, such as cleaning and chemical balancing, is essential to keep the water safe and enjoyable for swimmers.