Walensee

Walensee offers a quintessential alpine diving experience in the heart of Switzerland. Known for its remarkable clarity and deep, cold waters, this lake presents a unique challenge for divers. The underwater landscape is characterized by dramatic, sheer walls that plunge to great depths, reflecting the towering mountains that surround the lake. Divers can explore submerged forests and rock formations in pristine freshwater conditions. Its seven distinct dive sites provide a variety of underwater topographies, making it a captivating destination for those seeking something different from tropical reef diving. Diving in Walensee is an all-year-round activity, though it requires proper thermal protection, with a drysuit being highly recommended. Water temperatures remain cold, but the visibility is often at its best during the winter months. This destination is ideal for experienced divers comfortable with cold water and deep diving profiles, offering a serene and dramatic environment unlike any other. The combination of easy shore access to most sites and the stunning above-water scenery makes a dive trip to Walensee a memorable adventure for any dedicated cold-water enthusiast.

Top Sites

Frequently Asked Questions

What's the most popular dive site in Walensee, Switzerland?
While several sites are popular, 'Ofen' is often highlighted. Located on the northern shore, it offers easy entry and a dramatic vertical wall that drops off quickly. This site is famous for its stunning rock formations and excellent visibility, especially outside of summer. Its accessibility and impressive underwater topography make it a favorite for many local and visiting divers exploring Walensee, Switzerland. It provides a classic example of the alpine diving found here.
What are the good and less popular dive sites in Walensee, Switzerland?
Well-known sites in Walensee, Switzerland include 'Ofen' with its impressive wall and 'Gäsi' which has easier, shallower access. For a less-crowded experience, consider 'Lochgatter,' which features a beautiful submerged landscape but requires a bit more of a walk to the entry point. Another hidden gem is 'Usserdorf,' offering interesting rock structures. These quieter sites provide a serene dive and a chance to explore the lake's more tranquil corners away from the more popular spots.
What water temperature is it like throughout the year diving in Walensee, Switzerland?
Water temperatures in Walensee, Switzerland are consistently cold. In summer (June-August), the surface can warm to 15-20°C, but a distinct thermocline exists, with temperatures dropping to 5-8°C below 10-15 meters. During winter (December-February), the water is a uniform 4-5°C from surface to depth. A drysuit is essential for comfort and safety year-round when diving in Walensee, Switzerland.
When is the best time to visit Walensee, Switzerland?
The best time to dive in Walensee, Switzerland depends on your preference. For the best underwater visibility, visit during the winter and early spring (December to April) when the water is clearest, often exceeding 15 meters. However, air and water temperatures are at their coldest. Summer offers more comfortable surface conditions for gearing up, but visibility can be reduced due to algal blooms and sediment from rivers. Autumn is a good compromise with decent visibility and moderate air temperatures.
What's the visibility like during the dive season in Walensee, Switzerland?
Visibility when diving in Walensee, Switzerland varies seasonally. It is typically at its peak during the winter months, from December to March, when it can often reach an exceptional 15-20 meters or more. During the summer, visibility usually decreases to around 5-10 meters because of snowmelt runoff, increased sediment, and algal blooms caused by warmer surface temperatures. Spring and autumn offer moderate conditions, generally in the 8-15 meter range.
Are there any seasonal migrations or special events (e.g., manta rays, whale sharks) in Walensee, Switzerland?
As a freshwater alpine lake, Walensee, Switzerland does not have large marine migrations like whale sharks or manta rays. The primary seasonal event for divers to observe is the fish spawning season. In spring and early summer, you can witness species like perch and roach gathering in the shallower areas to spawn. This period offers a great opportunity to observe fish behavior and see them in larger numbers than usual.
What marine life can I expect to see in Walensee, Switzerland?
Diving in Walensee, Switzerland offers encounters with a variety of freshwater species. You can commonly expect to see European perch (Egli), pike (Hecht), and large schools of roach (Rotauge). With a keen eye, especially on night dives or in deeper sections, you might spot elusive burbot (Trüsche) hiding amongst the rocks. Occasionally, whitefish (Felchen) can be seen in the open water. The lake's ecosystem is more about subtlety than large, colorful reefs.
What thickness wetsuit should I wear in Walensee, Switzerland?
A drysuit is strongly recommended for diving in Walensee, Switzerland year-round. Water temperatures below the summer surface layer are consistently very cold, typically 4-8°C. A drysuit with appropriate thermal undergarments provides the necessary insulation for a safe and comfortable dive. While a 7mm semi-dry wetsuit might be attempted by some in peak summer for a short, shallow dive, a drysuit is the standard and safest choice for properly exploring the dive sites here.
How do I get to Walensee, Switzerland?
To get to Walensee, Switzerland, the most convenient international airport is Zurich (ZRH). From the airport, it is approximately a one-hour drive by car. The lake is also easily accessible via Switzerland's excellent public transport system. You can take a train from Zurich to stations along the lake, such as Ziegelbrücke, Weesen, or Walenstadt. From these towns, the various shore diving sites are typically a short drive away.
Should I book a liveaboard or stay on shore in Walensee, Switzerland?
Diving in Walensee, Switzerland is exclusively shore-based. There are no liveaboard operations on the lake. The seven dive sites are all accessible from the shore, with parking areas often located close to the entry points. Divers typically drive to their chosen site for the day. You should plan to stay in one of the nearby towns like Weesen, Walenstadt, or Murg and arrange your diving independently or with a local dive center.