
Diving atStone Island (Austria)
Stone Island in Weissensee, Austria, offers a dive experience centered around a rare underwater sunken forest. This site provides an unexpected freshwater adventure, revealing submerged tree roots and a unique aquatic landscape. It stands out as an excellent location for both underwater photography and divers seeking a tranquil environment away from typical marine settings.
At Stone Island, the ambient air temperature is currently recorded at 7°C. This dive site in Austria is operating under normal seasonal weather patterns. Familiarize yourself with the local topography prior to navigating.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Diving at Stone Island immerses you in a captivating sunken forest on the south shore of Weissensee, offering a truly unique freshwater experience. Access to this distinct site is facilitated by a regular dive shuttle, which transports divers deep into the nature park, journeying alongside a peaceful mountain stream.
The underwater landscape here is dominated by vast submerged tree roots, creating an intricate, ethereal environment to explore. Exploring the site's three distinct bays reveals beautiful natural light effects, filtering through the interwoven, undercut root systems and the dense, pike-rich reeds that line sections of the bottom.
Beneath the overarching submerged trees, numerous large Chub (Eitel) often gather, basking in the diffused sunlight, presenting excellent photo opportunities. Curious Perch commonly accompany divers through this serene, weightless environment, adding to the interactive experience.
Maximum depth reaches 24 m (79 ft), making it a relaxed dive suitable for a wide range of skill levels, from those completing their Open Water Diver certification to experienced underwater photographers. This location is particularly well-regarded for its visual appeal and tranquil ambiance, providing a striking contrast to typical marine dives.
Careful buoyancy control is key to navigating the delicate root structures and avoiding stirring the silty bottom, preserving visibility for all.
Stone Island
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Stone Island show 7° air, --° sea temperature, N/A waves, and 10 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
For optimal comfort, diving Stone Island aligns with months offering milder air temperatures, typically June through September, when air temperatures average between 14°C and 18.5°C (65°F)and 65°F). Dive scores during these months consistently rate "Excellent." Even though specific water temperatures aren't consistently reported for Stone Island, conditions will be considerably colder than ocean dives, requiring appropriate exposure protection regardless of the season. Rainfall is moderate, averaging 3.9-5.3 mm during peak summer months, generally not impacting dive conditions significantly. Excellent dive scores are noted year-round, suggesting the site remains accessible and rewarding for those prepared for colder water.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Upon descending into Stone Island's waters, divers immediately notice the unique environment created by the submerged forest. Visibility varies but allows for appreciation of the intricate root systems and plant life. Natural light filters down through the surface, creating dynamic effects as it dances through the branches and reflections off the silty bottom. Operating in a freshwater lake, conditions are characterized by distinct thermal layers, or thermoclines, which can cause significant temperature changes during a single dive. Exploring the maximum depth of 24 m (79 ft) involves navigating through these layers, often feeling cooler water at deeper sections. Currents are generally minimal, allowing for leisurely exploration of the underwater structure.
Dive Difficulty & Safety Guidelines
Expert divers recommend focusing on precise buoyancy control when navigating the intricate network of submerged tree roots at Stone Island. This precaution helps protect both the fragile underwater ecosystem and prevents accidental entanglement. As the site is a popular training ground for Open Water Diver courses, beginners should always dive under the direct supervision of a certified instructor. A daily dive shuttle to the site on Weissensee's south shore streamlines access and enhances overall safety. Divers should be mindful of the freshwater environment and potential colder temperatures, even in shallower sections, ensuring adequate thermal protection.
Recommended Equipment
- Dive Computer
This gear list is based on verified equipment signals for Stone Island, Austria. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Forecast confidence is somewhat lower, with potential for varied conditions ahead. A warming trend is expected over the next few days.
Based on regional estimates and current weather, the likely required exposure protection is a thicker wetsuit or drysuit. Note that local currents and upwellings can alter this. Strong cold advisory: dress warmly immediately after exiting the water.
Because recent water temperature readings are not available for Stone Island, the guidance below is based mainly on current air conditions and seasonal expectations. Current surface air temperatures are roughly 7°C (44°F).
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Stone Island.

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN Europe.
+39 0642115685- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Closest Listed Hyperbaric Chambers
Showing listed hyperbaric chamber facilities within 200 km of this dive site.
Distances are approximate straight-line distances and may not reflect emergency travel time.
Servizio di Medicina Subacquea e Iperbarica
24/7 ListedICU CapableTrieste, Italy•Approx. 124 km straight-line
Servizio di Medicina Subacquea e Iperbarica
24/7 ListedICU CapableFacility Details
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Druckkammerzentrum Traunstein
24/7 ListedICU CapableTraunstein, Germany•Approx. 141 km straight-line
Druckkammerzentrum Traunstein
24/7 ListedICU CapableFacility Details
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Druckkammer, Medizinische Universität Graz
ICU CapableGraz, Austria•Approx. 166 km straight-line
Druckkammer, Medizinische Universität Graz
ICU CapableFacility Details
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Marine Life at Stone Island
Stone Island presents a distinct freshwater ecosystem for observing aquatic life. While descending, divers frequently encounter many large Chub (locally known as Eitel), often seen congregating and sunning themselves in the diffused light beneath the submerged trees. Curious Perch are common companions throughout the dive, often approaching silently gliding divers. Pike are also present, often found within the dense reeds. This freshwater site provides a different perspective on aquatic behavior compared to saltwater environments.
Dive Sites Near Stone Island
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Dive Centers Near Stone Island
Working Hours
Today: 09:00 - 18:00
Nearest Airports
Nearest airports to help plan travel to this dive area.
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Search Flights on ExpediaFrequently Asked Questions
What is the maximum depth at Stone Island?
Divers can explore Stone Island down to a maximum depth of 24 m (79 ft). This depth range makes it accessible for a wide range of certified divers.
Is Stone Island suitable for beginner divers?
Yes, Stone Island is considered highly suitable for beginners and is a popular site for Open Water Diver certification check dives. Calm lake conditions and the unique scenery are very accommodating.
What unique features does Stone Island offer?
Its primary draw is a captivating sunken forest, complete with submerged tree roots and reeds. Divers experience beautiful natural light effects filtering through the canopy, creating a distinctive underwater landscape.
What marine life can be seen at Stone Island?
Divers commonly encounter large Chub (Eitel) and curious Perch. Pike are also frequently observed within the reed beds and around the submerged trees, offering excellent opportunities for fish watchers and photographers.
How do I access Stone Island?
Stone Island is located on the south shore of Weissensee and is typically accessed via a daily dive shuttle service. Convenient access streamlines planning for divers.
What are the water temperatures like?
Specific water temperatures for Stone Island are not consistently reported and vary significantly with the seasons. As a freshwater lake in Austria, expect colder conditions compared to ocean diving, necessitating appropriate exposure protection.
Is Stone Island good for underwater photography?
Absolutely. Stone Island is known as an excellent photo dive site. The unique light filtering through the sunken forest and the presence of fish like Chub and Perch provide ample photographic opportunities.
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Stone Island
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Stone Island show 7° air, --° sea temperature, N/A waves, and 10 km/h wind. Forecast data is refreshed regularly to ensure accuracy.




