Blansko lom u trati is a flooded quarry in Moravia, Czech Republic, featuring an artificial reef structure located between 9 and 18 metres depth. The site offers a still freshwater environment with no currents, making it suitable for beginners to practice buoyancy and navigation. Divers should be prepared for variable visibility, which ranges from 4 to 15 metres depending on conditions. Access is via a shore entry. Due to the quarry environment, divers must manage potential hazards including cold water, deep sections, and possible entanglement risks around the artificial structures. An open water certification is the minimum requirement for diving at this location.