This dive site, Apostelsee near Ettenheim, is a highly regarded freshwater 'jewel' located in South Baden, Germany. The lake is thoughtfully divided into distinct zones for various activities including angling, swimming, and diving, ensuring a harmonious environment for all users. Divers must strictly adhere to regulations, including the mandatory use of a compass for navigation due to the varying zones and specific areas. It is explicitly forbidden to dive under the trees that have fallen into the water, as these serve as crucial spawning grounds and retreats for the lake's fish population, highlighting the site's commitment to ecological preservation.
The Apostelsee provides a natural habitat primarily for various freshwater fish species, which utilize the fallen trees and other underwater vegetation as spawning grounds and safe havens. While specific species are not detailed, the focus on protecting these areas suggests a healthy and active fish community. Divers can observe typical freshwater flora and fauna in designated diving zones, with an emphasis on respectful interaction and minimal disturbance to the ecosystem.
While specific peak seasons are not provided, diving at Apostelsee is likely enjoyable throughout much of the year, with conditions varying by season typical of Central European lakes. The site is particularly well-suited for diver training and skill refinement, especially for buoyancy control and navigation exercises, which must always be conducted over pure gravel areas, avoiding vegetation. Divers are advised to always tare correctly, maintaining sufficient distance from the ground and flora to protect the delicate underwater environment. Its clear zoning and emphasis on responsible diving make it a unique and valuable destination for local divers.

