Arroyo La Angostura is a freshwater drift snorkel site located in a shallow channel connecting Lake Moreno and Lake Nahuel Huapi. This site is suitable for beginners and offers a gentle current that carries snorkelers through the waterway. Depths range from 2 to 10 metres, with an average of 5 metres. Access is via the shore. Water temperatures are cold, typically between 13 and 14°C in late summer, and the use of 5-7mm wetsuits with hoods, boots, and gloves is recommended year-round. A typical snorkel session lasts approximately 45 minutes. The primary hazard at this site is the cold water.

Bahía López is a freshwater site situated at the base of Cerro López. The topography consists of dramatic underwater rock walls and large boulders. Due to the bay's protection from southern winds and its depth, visibility is often superior compared to other areas. Access is via a shore entry, and the site is suitable for intermediate snorkelers. Water temperatures in Lake Nahuel Huapi are cold year-round, ranging from 8-12°C in spring and summer, and 2-8°C in winter. A wetsuit is recommended for comfort. Parking is available at the site. Currents are generally mild, though the primary hazard is the cold water temperature.

Arroyo Angostura is a shallow freshwater reef dive located in Bahía López. The site offers consistent visibility of 30 metres, allowing divers to clearly observe the underwater structure. Depths range from 5 to 10 metres, with an average of 7 metres, making it suitable for newly certified divers. Access is via a shore entry, though divers must manage a moderate current. Due to water temperatures ranging from 10 to 14°C, exposure protection such as a 5-7mm wetsuit with boots and hoods is recommended. Guided tours are available for those exploring this site, which typically involves a 30-minute dive duration.

Urum-Co in Nahuel Huapi Lake offers a diverse underwater environment featuring a natural reef, a wreck, an artificial reef, and a kelp forest. Located 200 metres from the shore, the site reaches depths between 9 and 30 metres with an average of 20 metres. Divers should expect moderate currents and visibility ranging from 5 to 20 metres. Due to the cold water temperatures, which fluctuate between 10°C and 20°C, a drysuit or thick wetsuit is recommended. This site is suited for experienced divers comfortable with variable conditions and cold-water environments. Shore access is available, and facilities including air fills and equipment rental are provided nearby.

Playa Bonita is a popular shore-entry dive site located in Nahuel Huapi Lake near Bariloche. The topography features a mostly sandy bottom, with rocky outcrops and an old jetty providing structure for local freshwater fish and invertebrates. Divers can expect depths ranging from 1 to 18 metres, with an average depth of 18 metres. Conditions include mild currents and visibility between 10 and 30 metres. The water is consistently cold, ranging from 6 to 13°C depending on the season, making thick wetsuits necessary. The site is suitable for beginners and offers facilities including parking, toilets, showers, and a dive shop for equipment rental and air fills.

Isla de las Gallinas in Nahuel Huapi Lake offers a unique freshwater dive experience featuring an artificial underwater park. Divers can explore a 3-metre sculpture of Neptune and a submerged chairlift salvaged from a local ski resort. The site is sheltered from the wind, providing calm conditions and visibility ranging from 10 to 25 metres. Depths vary between 2 and 30 metres, with an average of 15 metres. Access is by boat only, located 2000 metres from the shore. Water temperatures remain between 10 and 13°C year-round, necessitating the use of a wetsuit or drysuit. The site is suitable for beginners and offers a 4/5 rating for snorkelling.

Playa Muñoz is a freshwater site located on the shores of Lago Gutiérrez. This location features an artificial reef structure formed by submerged fallen trees near the shoreline, which creates a complex habitat. Access is via a shore entry following a two-hour hike. Conditions are generally mild, though the water remains cold, with temperatures averaging 7°C and reaching up to 14.7°C during the summer months. The site is suitable for beginners and offers parking facilities for visitors. Due to the cold water temperatures, appropriate thermal protection is necessary for all in-water activities.

La Boca is located at the source of the Limay River where it exits Nahuel Huapi Lake near Bariloche. This site offers a unique perspective of the riverbed, with visibility ranging from 10 to 25 metres. Snorkellers experience a steady, strong current that requires intermediate skill levels to navigate safely. The water is cold, with surface temperatures around 7°C and deeper temperatures between 10°C and 13°C. Depths at this site are shallow, averaging 3 metres with a range of 2 to 5 metres. Access is via the shore, and the site is well-suited for those prepared for cold water conditions.