Active tourism combines physical activity, cultural exchange, and engagement with nature to encourage people to stay fit while enjoying tourism. It provides low-risk activities like walking, biking, birdwatching, and zumba dancing that are accessible to a wide range of people. Examples given include white water rafting, kayaking, and walking tours, with the goal of helping office workers and others get exercise in an enjoyable way outside of traditional gyms. The document emphasizes that active tourism has significant health benefits and is a fast-growing area of the tourism industry.