Ardilla in Villa La Angostura features both reef and wall topography within Lake Nahuel Huapi. Divers can explore depths ranging from 5 to 25 metres, with an average depth of 15 metres. The site is suitable for beginner divers, though conditions require careful monitoring as currents and visibility can vary. Cold water is a constant factor, necessitating the use of a 5 to 7mm thick wetsuit with boots and hood year-round, or a 6mm two-piece suit between November and May. Divers should be aware of strong currents when planning shore entries. Typical dives last approximately 60 minutes. Ensure all air and equipment needs are met prior to arrival.

Bosque Sumergido in Villa La Angostura is a unique freshwater site featuring over 60 preserved cypress trees standing upright on the lake bed. Divers navigate through these trunks and branches, which reach toward the surface. The site is accessible only by boat and is suited for intermediate divers due to the cold water, depth, and overhead environment. Depths range from 5 to 20 metres, with an average of 15 metres. Visibility typically varies between 5 and 15 metres. Given the cold water temperatures and depth, a guide is recommended for all dives. The site is also highly rated for snorkelling.

El Bosque Sumergido in Villa La Angostura offers a unique freshwater diving experience defined by its submerged forest. Divers explore drowned trees standing upright on the lake floor, creating a distinct underwater topography. The site ranges from 30 to 50 metres in depth, requiring advanced skills for the deeper sections, though shallower areas are accessible. Visibility is generally high, reaching up to 30 metres, though it can fluctuate down to 8 metres. Access is by boat, and the lack of current allows for controlled descents. Divers should prepare for cold water temperatures throughout the year and maintain strong buoyancy control to manage depth.

Villa Tacul consists of a series of small, rocky bays within Llao Llao Municipal Park, offering protection from prevailing winds. The topography features a rocky bottom interspersed with submerged logs. Divers can expect depths starting from 1 metre, with visibility ranging between 5 and 20 metres. Conditions are generally mild, though the glacier-fed water remains cold, typically reaching 13 to 14 degrees Celsius in late summer. Shore access is available, and the site is suitable for beginners. Divers should be prepared for cold-water conditions, with a 5 to 7 mm wetsuit, boots, and hood recommended between November and May.

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.

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.

Lago Falkner in Argentina offers a freshwater diving experience with consistent visibility of 30 metres. Divers can enter directly from the shore, with depths starting at 3 metres and extending to 600 metres. The site is suitable for beginners, though the primary challenge is the cold water, which ranges from 7C to 14C. A thick thermal exposure suit, such as a 7mm wetsuit or a drysuit, is essential for all dives. On-site facilities include toilets, showers, changing rooms, and a cafe to assist with warming up after exiting the water. Always monitor local current reports before entry as conditions can vary.