Carrière de Floreffe is a freshwater quarry in Wallonia, Belgium, offering a diverse underwater circuit suitable for beginners. Divers can explore various submerged objects, including a glider, a Cessna aircraft, boats, and a cabin from the former Namur cable car. Navigation is supported by guide ropes connecting these features, while other areas require compass navigation. The site reaches depths between 4 and 20 metres, with an average of 12 metres. Entry is via the shore, and the site accommodates dives of approximately 60 minutes. Conditions include mild currents and visibility ranging from 1 to 10 metres, with a thermocline present. Facilities include parking, changing rooms, showers, a cafe, and guided tours.

Carrière des Trois Fontaines is a sheltered, landlocked freshwater quarry in Wallonia. The site features a combination of natural rock walls and artificial reef structures placed on the bottom. Divers can explore depths ranging from 8 to 18 metres, making it suitable for beginners and those looking to build confidence. Access is via the shore, and the site experiences mild currents. Visibility typically ranges between 3 and 5 metres, so a torch is recommended to inspect the artificial structures. The site is open year-round and accommodates night diving. On-site facilities include parking, showers, changing rooms, toilets, and a café.

Carrière d’Opprebais is a flooded quarry in Wallonia, Belgium, featuring deliberately placed artificial structures that function as an artificial reef. The site offers depths ranging from 5 to 27 metres, with an average depth of 10 metres, making it suitable for both beginner training and deeper dives. Divers can expect visibility between 3 and 10 metres and mild currents. The site supports night diving and includes overhead environments that require appropriate training. Shore entry is available, though divers should exercise caution regarding sharp rocks. Facilities on-site include toilets, changing rooms, a café, first aid, and air fills. Due to consistent cold water, a drysuit or thick wetsuit is recommended.

Dongelberg is a freshwater quarry near Brussels, Belgium, offering a variety of artificial structures for divers. The site features an extensive line course between 30m and 40m, including practice platforms at these depths. Divers can explore numerous submerged objects, such as car wrecks, an airplane cockpit, a ship's radar, a jet ski, and a diving clock. Depths range from 18m to 40m with an average of 28m. Entry is from the shore, and the site is suitable for beginners. Conditions include mild currents and visibility between 1m and 10m. Water temperatures fluctuate seasonally between 5°C and 19°C. Facilities include parking, toilets, changing rooms, and a cafe.

Carrière de Rochefontaine is a freshwater quarry located within the Eau d'Heure Lakes region of Belgium. This site is suited for intermediate divers, offering depths ranging from 22 to 52 metres. Access is via the shore, with typical dive durations lasting around 45 minutes. The site supports night diving and provides on-site facilities including changing rooms, a cafe, air fills, and first aid equipment. Divers should be aware of the significant depths and potential for entanglement hazards throughout the quarry. As a freshwater environment, the site is defined by its industrial topography and variable conditions.

Rochefontaine is a former marble quarry in the Eau d'Heure Lakes region, offering a diverse freshwater dive experience. The site features numerous submerged structures, including a Hawker Hunter fighter plane, a 9m tugboat at 33m, a 22m sailboat, and various extraction equipment like cranes and ladders. Depths range from 4m to 53m, with an average of 31m. Visibility fluctuates between 2m and 25m. Surface temperatures reach 28°C in summer, while bottom temperatures range from 5°C to 16°C. The site is accessed from the shore and includes facilities such as a dive shop, air fills, and changing rooms. Due to the depth and overhead environments, this site is suited for intermediate divers.

La Croisette is an artificial reef site located within the Eau d'Heure Lakes in Belgium. Divers access the water via a shore entry to explore depths ranging from 5 to 31 metres, with an average depth of 31 metres. The site is suitable for beginners, though conditions require awareness of cold water, significant depth, potential entanglement hazards, and variable visibility ranging from 1 to 25 metres. Typical dives last approximately 40 minutes. On-site facilities include parking, changing rooms, toilets, showers, a rinse station, and a cafe. Air fills and first aid services are also available at the location.

Vodelée is a freshwater quarry site in Wallonia featuring a combination of wall topography and artificial reefs. Accessible directly from the shore, the site offers depths ranging from 6 to 40 metres, with an average depth of 25 metres. Conditions include mild currents and visibility that varies between 5 and 25 metres. The site is suitable for both diving and snorkelling, with night diving permitted. Facilities on-site include parking, toilets, showers, changing rooms, air fills, and a cafe. Due to the depth and potential for cold water, divers should be mindful of decompression limits and nitrogen narcosis.