Aalborg Sportsdykkerklub is a shore-entry reef site located in Aarhus, Denmark. The site features shallow depths throughout, making it suitable for divers looking to build confidence in a reef environment. Conditions vary, with visibility changing between dives. Water temperatures fluctuate between 6C and 17C throughout the year, necessitating the use of a drysuit or a thick wetsuit with gloves and a hood. Divers should be aware of strong currents and the presence of sharks, and are advised to maintain close proximity to the boat and follow guide instructions strictly due to the significant depth.

Jernbanebroen is a shore-accessible reef dive located beneath a railway bridge in Aarhus. The site features structure extending from 5 to 25 metres, with an average depth of 15 metres. Divers should be prepared for moderate currents that can build quickly around the bridge pilings, requiring careful planning to swim against the flow before riding it back to the exit. Visibility varies significantly, ranging from 3 to 15 metres. Water temperatures fluctuate between 6 and 15 degrees Celsius, necessitating appropriate thermal protection. Facilities available on site include parking, showers, a rinse station, and air fills.