Tunnel 1 2 is a shore-accessible freshwater dive site located in Brunnen-Flüelen, Lake Lucerne. The site features an overhead environment with swim-throughs and reaches depths between 20 and 40 metres, with an average depth of 35 metres. Divers should expect mild currents and visibility ranging from 5 to 10 metres. Due to the depth and overhead nature of the site, careful gas management and monitoring for nitrogen narcosis are essential. Surface boat traffic requires vigilance during entry and ascent. Facilities at the site include parking and toilets, making it convenient for surface intervals. This site is suited for intermediate divers experienced in deep and overhead environments.

Betlis Pumpwerk is a shore-entry wall dive located in Lake Lucerne, Switzerland. The topography features a wall that descends from 8 metres to a maximum depth of 45 metres, with an average depth of 25 metres. Visibility typically ranges between 5 and 10 metres. As a freshwater alpine site, the environment supports various temperate freshwater fish and invertebrates. Divers must remain vigilant regarding significant depth and active boat traffic, necessitating the use of a surface marker buoy. The site is suitable for intermediate divers, with parking and toilets available for convenience. A typical dive duration is approximately 50 minutes.

Schiffsstation Stralegg is a freshwater wall dive in Lake Walensee, featuring a steep drop-off that descends from 20 to 40 metres. The site is characterised by its cold water temperatures and variable visibility, which often necessitates the use of a torch. Divers must manage an overhead environment created by the wall structure, requiring solid buoyancy control and situational awareness. Entry is via the shore, with facilities including parking, toilets, and a cafe available on site. Due to the depth, cold water, and potential for low visibility, this site is suited for intermediate divers with an Advanced Open Water certification.

Weesen Tunnel 1 is a freshwater wall and cave dive located in Lake Walen, Switzerland. The site features a vertical wall dropping from 15 to 50 metres, with an average depth of 25 metres. Divers access the site via a straightforward shore entry located 50 metres from the bank. The topography includes overhead cave environments that require careful buoyancy control and the use of at least two torches. Visibility typically ranges between 5 and 10 metres. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, and air fills. The site is suitable for intermediate divers due to the overhead environment and depth transitions.

Weisswand is a vertical wall and drop-off site located in Lake Lucerne, Switzerland. The site features a steep descent with depths ranging from 20 to 40 metres, averaging 30 metres. Divers experience mild currents and visibility typically between 5 and 10 metres. Due to the significant depth and cold freshwater temperatures, which remain around 5 to 6 degrees Celsius below 20 metres, drysuits or thick wetsuits with hoods and gloves are necessary. The site is suitable for intermediate divers who possess solid buoyancy control. Access is exclusively by boat, and divers must remain vigilant for boat traffic when surfacing by using an SMB.

Rastplatz is a shore-entry wall and reef dive located in Lake Walensee. The site features a structured wall that drops from 8 to 50 metres, with an average depth of 25 metres. Divers experience visibility ranging from 5 to 15 metres and generally mild currents, though strong currents can develop. Due to the lake's depth and mountain location, water temperatures remain cold, requiring appropriate thermal protection such as a drysuit. Parking is available directly at the entry point, making logistics straightforward. Divers must remain vigilant regarding active boat traffic and are required to deploy a surface marker buoy before ascending.

Gäsi Beach on the Walensee offers a rare sandy entry point for snorkelers in the region. The site features a sandy bottom that transitions into weed beds, providing a distinct habitat for observation. The water is cool, with typical summer temperatures ranging between 20 and 23 degrees Celsius during the peak season in July and August. Shore access is straightforward, and the site is equipped with parking, toilets, and showers. Due to the nature of the environment, snorkelers should be prepared for cold water conditions. This location is suitable for beginners looking to explore the lake margins.

Seerenbach is a technically demanding freshwater wall and drop-off site located in Brunnen-Flüelen, Switzerland. The topography features a significant drop-off reaching depths between 20 and 40 metres, with an average depth of 30 metres. Divers encounter strong currents and an overhead environment created by the wall structure, requiring advanced technical and cave diving certifications. Visibility typically ranges from 5 to 10 metres. The site is accessible from both shore and boat, situated approximately 150 metres from the shore. Night diving is permitted for experienced divers. Air fills are available on-site to facilitate multi-dive planning. Divers must monitor buoyancy and current direction closely due to the challenging conditions.