5-Mile Flat is a freshwater snorkel site located on the North Shore of the Lucky Peak Reservoir. This site features artificial reef structures and provides a gradual shore entry, making it more accessible for beginners than the nearby cliff-side locations. Water temperatures vary significantly by season, ranging from 4-8°C in the spring to 15-24°C during the summer months. Due to the cold water temperatures, appropriate thermal protection is necessary for all in-water activities. Facilities at the site include parking and toilets.

Naked Rock in the Boise Foothills Reservoirs offers a unique freshwater diving experience characterized by submerged cliff faces and artificial reef structures. Located near mile marker 4 on Arrowrock Road, the site provides access to deep water directly from the shore. Divers can explore depths reaching 9 metres, though conditions vary significantly due to seasonal temperature fluctuations and low visibility. The site is suited for intermediate divers capable of managing cold water, entanglement risks, and depth. Facilities at the location include parking and toilets. Snorkelling is possible, though the site is primarily utilised for diving.

Barclay Bay Beach is an artificial sand beach located within the Boise Foothills Reservoirs. Snorkelling is best suited for beginners along the rocky edges of the bay, where activity is separated from the main swimming crowds. The site offers shore access and includes amenities such as parking, toilets, showers, changing rooms, and a rinse station. Conditions vary, with water temperatures ranging from 40-55°F in spring to 60-75°F during summer. Divers and snorkellers should be aware of cold water temperatures and boat traffic in the area. A wetsuit is recommended for comfort and safety given the cold water conditions.

Middle Cove is a popular freshwater site located in the Boise Foothills Reservoirs, offering a dedicated no boat zone for diver and snorkeller safety. The underwater topography features steep basalt walls and large boulders that create a complex environment for exploration. Depths at this site reach up to 9 metres, making it suitable for beginners. Access is via a shore entry, and the site provides basic facilities including parking and toilets. Due to the nature of the terrain, divers should be aware of potential hazards in the area. This location is frequently used for training activities.