Peterhof is renowned for its stunning fountains, including the Grand Cascade, Samson Fountain, and numerous other water features that add to the beauty and grandeur of the palace gardens. The fountains operate from May to October and are a major attraction for visitors.

The Grand Cascade, located at the entrance of the Lower Park, is the most iconic of these features. It consists of three waterfalls and 64 fountains, adorned with 37 gilded bronze statues, including the famous statue of Samson tearing open the jaws of a lion, symbolizing Russia's victory over Sweden. The water for the fountains is supplied by a gravity-fed system, a remarkable engineering feat that does not require any pumps.

Other notable fountains in the Lower Park include the Chessboard Hill Cascade, the Roman Fountains, and the Pyramid Fountain. Each fountain is a work of art, featuring intricate designs and statues that reflect the artistic achievements of the Russian Empire. The fountains are strategically placed throughout the park, creating a mesmerizing display that complements the natural beauty of the gardens.

Visiting the fountains during the summer months offers a unique experience as the water features come to life, adding a dynamic element to the serene landscape. The opening ceremony of the fountains in May and the closing ceremony in September are particularly popular events, attracting large crowds who come to witness the spectacular displays.