El Retiro Park features a picturesque lake where visitors can rent rowboats and enjoy a peaceful ride on the water. This activity is perfect for couples, families, or anyone looking for a relaxing experience. As you row across the lake, you can take in the views of the park's lush surroundings and the iconic Monument to Alfonso XII, which stands tall on the lake's edge. It's a great way to spend a sunny afternoon in El Retiro Park.