Tête de la Vache is a freshwater dive site located in Lac du Bourget, featuring a diverse topography of reefs, drop-offs, and canyons. The site ranges from 20 to 80 metres in depth, with the upper sections accessible to beginner divers. Visibility typically averages 5 to 8 metres, and currents remain mild throughout the area. Divers should remain vigilant regarding boat traffic, particularly during ascent, and are advised to use a surface marker buoy. Water temperatures can reach 28°C during the summer months, though thermoclines are common in spring. Air fills are available at the on-site dive shop.

Grotte Lamartine is a freshwater site located at the foot of the Mont du Chat in Annecy-le-Vieux. The site features a shallow cave and a rocky reef, with depths typically ranging between 1 and 5 metres, averaging 3 metres. Access is available from both the shore and by boat, with parking facilities provided nearby. The site is suitable for beginners and offers a moderate snorkeling experience. The rocky shoreline provides a variety of habitats for local freshwater organisms. Divers and snorkellers should be aware that conditions at this site can vary.

Tête de la Vache is a freshwater wall and canyon site located in Annecy-le-Vieux. This dramatic drop-off descends from 5 metres down to 72 metres, offering a vertical perspective of the lake's geology. Access is by boat only. Conditions vary, with visibility ranging from 2 to 15 metres and mild currents. Divers should be aware of thermoclines, particularly in spring, as well as the significant depth and potential for entanglement. The site is suitable for advanced divers, while the upper sections are accessible for snorkelling. Air fills, equipment rental, and guided tours are available locally. Night diving is permitted at this location.

Pierre à Bise is a freshwater wall and drop-off site in Annecy-le-Vieux, France. The topography descends from 12 metres to a maximum depth of 71 metres, with an average depth of 35 metres. Divers should exercise caution regarding sharp rocks during the shore entry. Visibility is highly variable, ranging from 0 to 20 metres, and requires careful navigation. The site features mild currents and is suitable for advanced divers due to the significant depths. Water temperatures remain cold, dropping to 4°C below 40 metres. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, and boat charter options.

Challière is a freshwater alpine dive site defined by a pronounced drop-off that descends from 15 metres to 67 metres. This site is suited for advanced divers due to the significant depths and cold water temperatures. Below 10 metres, temperatures drop to approximately 10°C, while depths exceeding 40 metres remain a constant 4°C. Visibility typically ranges between 10 and 20 metres but can vary during ascent. Entry is via the shore, and the site supports night diving. Divers should monitor depth gauges closely to manage nitrogen narcosis and use appropriate thermal protection, such as a drysuit, to mitigate the cold.

Charpignat is a freshwater artificial reef located in Annecy-le-Vieux, France. Accessible directly from the shore, the site features depths ranging from 6 to 26 metres, with an average depth of 15 metres. Conditions are generally mild, with visibility varying between 5 and 20 metres. Divers should be prepared for a significant thermocline, as temperatures drop sharply below 10 metres. The site is suitable for beginners, though careful monitoring of depth and thermal protection is required due to the cold water. Parking is available on-site, and the location supports both day and night diving. Typical dives last approximately 45 minutes.

Cap des Séselets in Annecy-le-Vieux offers a shallow freshwater environment suitable for both divers and snorkellers. The site features a combination of reef structures and seagrass beds, providing a varied underwater topography. With depths ranging from 1 to 5 metres and an average depth of 2 metres, it is well-suited for beginners. Entry is via the shore, and the site experiences mild currents. Facilities including parking and a cafe are available nearby. Divers typically spend 60 minutes exploring the area. Please note that while the site is located in a freshwater lake, the provided data indicates a hazard of sharp coral, which should be avoided.

Tombant de Chatillon in Annecy-le-Vieux offers a diverse freshwater diving environment featuring a wall, canyons, and small cavities. The site is accessible from the shore and caters to beginners, with depths ranging from 2 to 65 metres and an average depth of 15 metres. Visibility typically fluctuates between 5 and 20 metres. Divers should be prepared for cold water conditions, as temperatures drop to 10 degrees below 10 metres and reach 4 degrees at depths beyond 40 metres. The site is suitable for night diving and provides parking facilities. Due to the significant depth range, divers must remain vigilant regarding nitrogen narcosis and cold-water exposure.