Ship landing stages
Landing stages at Ossiacher See (Ossiach, Steindorf, Bodensdorf, Sattendorf). Inspection of berth edges.
Waters · Lake
Underwater Inspection at Ossiacher See — Carinthia, Festival Region
Ossiacher See, with 11 km² and a maximum depth of 52.6 m, is Carinthia's third-largest lake and is shaped by hotel and festival infrastructure in Ossiach, Bodensdorf and Steindorf. ScanSustain inspects the entire lake depth ROV-based — a multi-day deployment is typical. Actual deployments are subject to approval by the responsible local authorities, facility operators and shipping administrations.
Characteristic Structures
These structure types can be inspected ROV-based at Ossiacher See — subject to approval from local authorities and operators:
Hotel jetties
Jetties of the hotel industry around the lake. Findings capture of structural components.
Festival infrastructure
Jetties and anchor structures of the Kärntner Sommerspiele Ossiach. Inspection during festival-season preparation.
Gauge infrastructure
Gauges of the Carinthian Hydrographic Service.
Typical Damage Patterns
What can be professionally captured at Ossiacher See — a structured overview of the locally typical damage patterns:
Timber-pile damage
Support piles: fungal attack, pile drift.
Algae growth
Seasonal growth layers.
Sediment deposits
In bays and the approach zones of landing stages.
On-Site Methodology
Ossiacher See water is clear (visibility 2 to 4 m). ROV optics primary, sonar complementary.
How Deep is Ossiacher See?
For method selection in ROV deployments, the lake's depth profile is decisive: near-shore structures such as jetties, landing stages and lido facilities typically lie in the range of 1 to 10 m, while the lake drops off markedly towards the centre.
Maximum depth
52.6 m maximum depth. ROV systems cover the entire depth range.
Lake area
Around 11 km² — Carinthia's third-largest lake.
Mean depth and the exact position of the thermocline vary by source and season. For projects with accuracy requirements we recommend verifying these values in advance against a current hydrographic source — we do not take them as given unchecked when planning a deployment anyway.
Survey & Mapping at Ossiacher See
Beyond pure condition inspection, municipalities, hotel businesses and engineering offices at Ossiacher See are increasingly asking for geometric data — for example for the rehabilitation planning of landing stages, the as-built documentation of high-quality hotel jetties or the bathymetric mapping of shoreline sections ahead of a construction project. With Survey & Mapping, ScanSustain offers photogrammetric and multibeam-sonar-based capture that delivers depth profiles, site plans and 3D models in CAD/GIS-ready formats.
At Ossiacher See, the clear water quality (visibility 2 to 4 m, see On-Site Methodology) enables a good combination of optical detail capture and multibeam sonar for the surface geometry. This combination is particularly relevant for gauge structures, berth edges and larger jetty facilities when a geometric baseline is needed for rehabilitation or monitoring.
Regional Authorities and Bodies
Carinthian Hydrographic Service. Water-rights authority Bezirkshauptmannschaft Villach-Land and Feldkirchen. Municipalities of Ossiach, Steindorf am Ossiacher See, Sattendorf.
Frequently Asked Questions
How large is Ossiacher See?
11 km² surface area, 52.6 m maximum depth.
Are deployments possible during the festival season?
Yes, in close coordination with the organisers. Outside it (May, October) it is logistically easier.
What is a typical mobilisation time?
From the Burgkirchen base, about 3 hours' driving time. Multi-day deployments are typical.
Does ScanSustain also offer survey and 3D mapping at Ossiacher See?
Yes, as part of Survey & Mapping — currently as a pilot service, with photogrammetric and multibeam-sonar-based capture for depth profiles, site plans and 3D models in CAD/GIS-ready formats.
Does an ROV deployment at Ossiacher See require official approval?
As a rule, yes. Responsible are the water-rights authorities Bezirkshauptmannschaft Villach-Land and Feldkirchen as well as the affected municipalities Ossiach, Steindorf am Ossiacher See and Sattendorf. We clarify responsibility in advance together with the client.
How clear is the water in Ossiacher See for optical inspection?
Ossiacher See is considered a clear body of water with visibility of 2 to 4 m. This allows a primarily optical ROV inspection; sonar is used complementarily.
Plan a deployment at Ossiacher See
Describe your use case — within 1 to 3 working days you will receive a concrete initial assessment with method selection and an effort indication.