Lake Baikal
Lake Baikal is a deep, ancient freshwater lake in Siberia, Russia, noted for its biodiversity and clear water.
Also known as: Baikal
How big is it?
31,500 km² · surface area
Surface area · approximate
A little perspective
Lake Baikal vs 10,000 km² region: area comparison
The surface area of Lake Baikal is about 3.15 times the area of a 10,000 km² region.
Lake Baikal is a deep, ancient freshwater lake in Siberia, Russia, noted for its biodiversity and clear water.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
A region is a large expanse of land defined by geographical or administrative boundaries.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
Measurements, assumptions & sources +
Lake Baikal
Surface area: 31,500 km²; approximate.
UNESCO describes Lake Baikal as about 3.15 million hectares in surface area and roughly 1,700 m deep. Shoreline and survey conventions affect exact figures.
UNESCO World Heritage Centre — Lake Baikal
The marked surface area is calibrated. Unmeasured illustration details are representative.
10,000 km² region
Area: 10,000 km²; example.
Defined 100 × 100 km equal-area rectangle. A teaching example, not a named place or actual boundary.
Defined examples — our methodology
The marked area is calibrated. Unmeasured illustration details are representative.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 31,500 km²
We compare the surface area of Lake Baikal. This is an estimate; check the notes for its rounding and uncertainty.
UNESCO describes Lake Baikal as about 3.15 million hectares in surface area and roughly 1,700 m deep. Shoreline and survey conventions affect exact figures.
The picture identifies the subject; the diagram compares the recorded values. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 31,500 km² | Not recorded | approximate | |
| 1.7 km | 1.64 km to 1.7 km | approximate |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valuePlaces and natural features10,000 km² region10,000 km²AreaA region is a large expanse of land defined by geographical or administrative boundaries.
Nearest higher valuePlaces and natural featuresUnited Kingdom243,600 km²AreaThe United Kingdom is a country in north-western Europe comprising England, Scotland, Wales and Northern Ireland.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- UNESCO World Heritage Centre — Lake BaikalApproximately 3.15 million hectares and about 1,700 m deep.
There’s always another scale
Follow your curiosity.
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