Garichtisee-Mettmenalp is a freshwater alpine lake dive located near Brunnen-Flüelen. The site features a combination of natural reef, wall, and artificial reef structures spanning depths of 20 to 40 metres. With no current, it is accessible for beginners, though the significant depth requires careful monitoring of bottom time and air consumption. Visibility typically ranges from 5 to 10 metres. Due to the high altitude, water temperatures are cold, making a drysuit or thick wetsuit with hood and gloves essential. Shore entry is available, and the site is well-supported by facilities including parking, toilets, showers, changing rooms, air fills, and equipment rental.

Lag la Cauma is a freshwater shore-entry dive site located in Brunnen-Flüelen, Switzerland. The site maintains a consistent depth of 10 metres, providing a controlled environment for beginner divers. With no current to manage, the location is suitable for practising buoyancy and underwater navigation. Visibility is approximately 5 metres, which helps divers maintain orientation during their dive. Access is straightforward from the shore, and no boat is required. Divers should check locally for current facility availability before visiting, as on-site amenities are limited. The site is accessible year-round for those looking to develop their skills in calm, current-free conditions.

Lake Cauma is a freshwater site in Switzerland known for its turquoise water, which is fed by underground springs. The lake features a central wooded island, where snorkelers can observe submerged trees and limestone rock formations. Depths at the site range from 1 to 30 metres. Due to the influence of the underground springs, water temperatures are relatively warm for an alpine environment, typically between 17 and 28 degrees Celsius during the summer months. Access to the water is via the shore. Facilities available at the site include parking, toilets, showers, changing rooms, and boat charter services.

Crestasee is a secluded, forest-fringed freshwater lake offering a peaceful environment for both diving and snorkelling. The basin features deep green water with visibility that varies depending on conditions. Divers and snorkellers can explore depths reaching up to 14 metres. Entry is via the shore, making the site accessible for beginners. Facilities at the lake include a cafe, toilets, showers, changing rooms, and equipment rental. Boat charter services are also available for those wishing to explore further. The water temperature is generally cool, averaging 18°C in summer, though it can reach over 24°C during peak periods.

Crestasee is a freshwater lake located near Brunnen-Flüelen, Switzerland. The site offers a shore entry and is suitable for beginners, with depths ranging from 2 to 14 metres. The lake is surrounded by dense forest, and the shallow edges feature aquatic plants. Snorkellers can expect a typical session duration of approximately 40 minutes. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, a cafe, and options for boat charters or guided tours. The site is well-regarded for snorkelling, providing a calm environment for exploring the lake's underwater topography.

Bacheinlauf is a freshwater wall and drop-off site located in Brunnen-Flüelen, Switzerland. The topography descends from 10 to 40 metres, with an average depth of 25 metres. Divers access the site from the shore, where parking is available. Conditions feature mild currents and visibility ranging from 5 to 25 metres. Water temperatures at depth remain consistently around 4°C throughout the year, necessitating appropriate thermal protection such as a drysuit. The site is suitable for intermediate divers and supports night diving. Due to the risk of boat traffic, divers must monitor the surface and deploy a surface marker buoy before ascending.

Kloentalersee-Rhodannenberg is a freshwater dive site in the Swiss Alps, primarily known for its wreck. The site is situated at depths ranging from 30 to 49 metres, with an average depth of 40 metres. Divers access the water via a shore entry. Visibility typically ranges between 5 and 10 metres, requiring careful navigation and buoyancy control. Due to the depth and consistent cold water temperatures, appropriate thermal protection such as a drysuit is necessary. The site is suitable for intermediate divers, with typical dive times around 40 minutes. Air fills are available on-site, though it is recommended to confirm availability in advance.

Waegitalersee-Hundloch-Quelle is a freshwater cave and cavern system located in a reservoir in central Switzerland. This shore-accessible site features depths ranging from 12 to 27 metres, with an average depth of 15 metres. Visibility typically measures between 5 and 10 metres. The site is an overhead environment that requires both open water and cave diving qualifications. Divers should be prepared for cold water temperatures, which can drop to 6°C even in summer. Drysuits, hoods, and gloves are recommended. The site offers a no-current environment, and a cafe is available nearby for post-dive warming. The habitat supports various temperate freshwater fish and invertebrates.