Brown's Canyon is a freshwater site characterised by a series of submerged slickrock terraces that resemble an underwater staircase. This canyon and drop-off formation provides a distinct topography for snorkelers to explore. Access to the site is exclusively by boat, as it is located 30 kilometres from the shore. Conditions at the site are variable, with mild currents and potential hazards including boat traffic, cold water, entanglement risks, low visibility, and overhead environments. Due to these factors, the site is best suited for intermediate-level snorkelers. Facilities available in the area include parking, toilets, showers, boat charters, air fills, and a cafe.

Cathedral in the Desert is a freshwater canyon and cave site located in the United States near Lake Powell. Access is exclusively by boat, with the site situated 3400 metres from the shore. The topography features a narrow slit in the ceiling that allows light to filter into the flooded chamber. Depths range from 1 to 18 metres, and the site is suitable for advanced divers due to the overhead environment. Conditions include mild currents and visibility ranging from 5 to 18 metres. Divers should be prepared for cold water temperatures. The site is also rated highly for snorkelling when lake levels permit access to the floor.

Crystal Springs Canyon is a freshwater canyon site located in the United States near Lake Powell. The topography is defined by large fallen boulders that form a labyrinth of swim-throughs. This site is accessible only by boat and is suited for intermediate snorkelers. Conditions at the canyon can vary, and visitors should be aware of strong currents present in the area. The site is noted for its visibility, which is often high compared to other areas of the lake. Snorkelers can explore the boulder formations and underwater structures throughout the canyon.

Anasazi Canyon is a freshwater canyon site located in the United States near Lake Powell. The topography consists of jagged underwater rock formations that create a complex environment for exploration. Divers and snorkelers can expect visibility ranging from 2 to 9 metres. Access to this site is exclusively by boat. Due to the presence of cold water, strong currents, and boat traffic, this site is recommended for intermediate divers. The protected coves within the canyon offer a sheltered experience for those visiting the area.