Churchill is a shore-entry dive site located in Lake Thun, Switzerland, featuring an artificial reef structure designed to attract freshwater life. The site is suitable for beginners, offering depths ranging from the surface down to 18 metres with mild currents. Visibility in this freshwater environment typically fluctuates between 6 and 20 metres. Divers should be prepared for cold water temperatures throughout the year, necessitating the use of a drysuit or a thick wetsuit. Due to the complex nature of the artificial reef, maintain awareness of potential entanglement risks during your dive. Parking is available on site for convenient access.

Hilterfingen Hotel Bellevue is a shore-entry dive site in Lake Thun, Switzerland, offering a varied freshwater experience. Divers can explore an artificial reef structure and other submerged objects located between 10 and 20 metres, with an average depth of 12 metres. The site features a ramp for easy access and is suitable for beginners. Visibility typically ranges from 6 to 10 metres. Water temperatures fluctuate significantly, with a thermocline present; surface temperatures may exceed 20°C in summer, while deeper water remains cold at approximately 5 to 6°C. Divers should be aware of potential entanglement hazards and variable visibility conditions.

Längenschachen in Lake Thun offers a gentle, sloping dive profile suitable for beginners. The underwater terrain transitions from stony to muddy, with seagrass beds extending to a depth of 5 metres. Divers typically reach depths between 2 and 15 metres, with an average of 10 metres. Access is via an easy shore entry located 50 metres from the parking area. Conditions feature mild currents and visibility ranging from 3 to 10 metres. The site is also popular with bathers during summer months, requiring awareness of boat traffic and surface activity. Facilities at the site include parking, a cafe, and toilets. Night diving is permitted at this location.

Schwefelquelle von Einigen is a freshwater dive site located in Lake Thun, Bernese Oberland. The site features an artificial reef structure situated at depths ranging from 20 to 40 metres, with an average depth of 30 metres. Divers can expect visibility between 5 and 10 metres. Access to this site is exclusively by boat, and divers should be prepared for potential surf or shore break during entry and exit. Due to significant boat traffic on the lake, the use of a surface marker buoy is essential. This site is suited for intermediate divers, with typical dives lasting approximately 45 minutes.

Gunten Bad in Lake Thun offers a distinct freshwater diving experience defined by dramatic underwater rock walls and canyons. Divers can expect depths ranging from 15 to 50 metres, with an average depth of 30 metres. The site is accessed via a shore entry and is suitable for intermediate divers. Conditions include mild currents and visibility typically between 5 and 15 metres. Water temperatures are cold, dropping to 4°C during winter months. The site supports night diving and features facilities including parking, toilets, and air fills. Divers should remain aware of the significant depth and potential for entanglement hazards during their 50-minute dives.

Aarebecken in Lake Thun is a shore-accessible dive site suitable for beginners. The location offers a calm, current-free environment, allowing divers to explore at a relaxed pace. The site features a reef structure that reaches depths between 7 and 15 metres. Visibility is generally around 5 metres, requiring divers to remain attentive to their surroundings. As a shore dive, no boat is required to access the water. Divers should check locally for current facility availability before visiting, and planning dives during daylight hours is recommended to maximise the available visibility.

Matterhorn is a freshwater reef dive located in Lake Thun, Switzerland. The site features a reef structure extending from the surface to a maximum depth of 30 metres. Divers can expect visibility between 5 and 15 metres. Due to moderate currents, this site is suitable for divers with at least an Open Water certification. Cold water is a significant hazard, requiring the use of a drysuit or a thick thermal exposure suit. Facilities on site include a dive shop, air fills, equipment rental, and guided tours. Species recorded around this area include snail, common perch, burbot, barbel, chub, pike, American crayfish, and bullhead.

Ameisenecke in Lake Thun features a distinctive wall and reef topography that drops rapidly from the shore. Divers can navigate a horseshoe-shaped route at depths between 22 and 25 metres, with the site reaching a maximum depth of 25 metres. This alpine freshwater location offers visibility ranging from 5 to 15 metres and mild currents. Due to the cold water temperatures, which fluctuate between 10°C in winter and 18°C in summer, proper thermal protection and buoyancy control are essential. The site is accessible from the shore, with limited parking available nearby. Species recorded around this area include snail, common perch, burbot, barbel, pike, chub, bullhead, and American crayfish.