Restaurant Lido in Lake Thun offers a shore-accessible dive featuring a combination of natural and artificial reef structures. The site reaches depths between 20 and 40 metres, with an average depth of 25 metres. Divers should expect visibility ranging from 5 to 10 metres. Due to the significant depth and cold water temperatures, which vary from 4 to 20 degrees Celsius depending on the season, adequate thermal protection is required. The site presents potential entanglement risks near the artificial structures, and divers must manage their depth carefully. Facilities including parking, toilets, showers, and a cafe are available on site, making it a practical base for a full day of diving.

Gipsunion is a freshwater reef site located on the shores of Lake Thun in the Bernese Oberland. The topography features a distinct reef structure punctuated by unusual underwater igloos. Divers can expect visibility ranging from 5 to 10 metres with no significant current. The site reaches depths between 20 and 40 metres, making it suitable for both beginners in the shallower sections and experienced divers looking for deeper profiles. Access is via a simple shore entry. Due to the cold water temperatures, a drysuit or a thick wetsuit with hood and gloves is strongly recommended for all divers.

Kleine gelbe Wand is a shore-entry wall and reef dive located in Lake Thun. The site features a wall structure that descends into depths between 20 and 40 metres, with an average depth of 30 metres. Visibility is consistently around 5 metres, making a torch useful for observing details on the wall face. There is no current, allowing for a methodical dive along the structure. Species recorded around this area include snail, common perch, burbot, American crayfish, barbel, bullhead, and pike. Divers should arrange air fills and equipment in advance as facilities are not confirmed on site. This site is suitable for intermediate divers comfortable managing depth limits.

Nastel is a freshwater shore-entry site in Lake Thun featuring both reef and wall topography. Divers can explore a vertical wall structure that descends from 8 to 46 metres, with an average depth of 15 metres. Conditions include mild currents and visibility ranging from 5 to 15 metres. Due to the cold water, which fluctuates between 10°C and 18°C, thermal protection such as a drysuit or thick wetsuit is essential. The site is suitable for intermediate divers who should be prepared for variable visibility. Parking is available at the site, facilitating straightforward gear transport for shore entries. Typical dive times are approximately 40 minutes.

Frau Tschanz is a freshwater dive site in Lake Thun, Switzerland, featuring a combination of wall and artificial reef structures. The site profile ranges from 20 to 40 metres, requiring intermediate skills and careful depth management. Divers access the water via a shore entry. Visibility typically ranges between 5 and 10 metres. As the site is located in an active area, boat traffic is a primary hazard; divers should remain vigilant at the surface and deploy a surface marker buoy before ascending. On-site facilities include parking, toilets, and a cafe, providing convenient logistics for before and after your dive.

Fischbalme is a freshwater wall dive in Lake Thun, Switzerland, characterised by a steep drop-off that descends from 20 metres to 140 metres. The site is suitable for intermediate divers who can manage significant depths and the associated risk of nitrogen narcosis. Navigation involves following the wall face, as visibility is generally limited to 5 metres. There is no current, allowing divers to explore the structure at a controlled pace. Shore entry is straightforward, with parking available directly at the site. Given the depth and visibility conditions, guided tours are recommended for those visiting for the first time to ensure safe ascent profiles.

Kanzel is a freshwater reef dive located in Lake Thun, Bernese Oberland. This shore-entry site features a reef structure that descends into deeper water, with the primary diving range situated between 20 and 40 metres. Conditions are generally calm with no significant current, providing a stable environment for buoyancy practice. Visibility is typically around 5 metres, which is characteristic of this alpine lake. Due to these visibility levels, a dive torch is recommended to assist in observing the reef structure and detail during your dive. Divers should remain mindful of their depth and stay within the limits of their personal training while exploring the reef.

Seezeichen is a shore-entry freshwater dive site located in Lake Thun. The topography features a reef structure that descends from a shallow 5 metres to a maximum depth of 46 metres, with an average depth of 15 metres. Divers should anticipate moderate currents and visibility ranging between 6 and 10 metres. Due to active boat traffic in the area, it is essential to remain alert while surfacing and to deploy a surface marker buoy. The site is suitable for intermediate divers, with parking available nearby to facilitate gear transport. Typical dives last approximately 40 minutes, though conditions vary significantly with seasonal temperature changes.