Where is Säyne Lake?

Säyne Lake is a lake in Rantasalmi, Finland. This page reports official water-quality measurements, shown as reported.

Is Säyne Lake safe to swim in?

Säyne Lake has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.

How deep is Säyne Lake?

Säyne Lake has a maximum depth of 59.1 feet.

Säyne Lake

Rantasalmi, FinlandView map Directions

Syke publishes the water-quality measurements for Säyne Lake. Here is what has been measured.

Clarity

3.1 m

Clearer than most

Secchi · sampled 2016

Phosphorus

9.7 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

5.5 µg/L

Typical for Finland

Measured by Syke

Max depth

18 m

Bathymetric survey

59 ft max depth
Limited data

See the measurements Directions Where to stay

Säyne Lake in Rantasalmi, Finland has official water-quality measurements, shown as reported. Water clarity: 3.1 m visibility. Phosphorus: 9.7 µg/L. Chlorophyll-a (algae): 5.5 µg/L. Maximum depth: 59.1 ft.

Loading map…

How Säyne Lake is classified

Säyne Lake in Finland is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.

Säyne Lake is a lake in Rantasalmi County, Finland with a maximum depth of 59 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2016-08-23. Methodology: how these readings are compared.

What Säyne Lake is good for

From access and monitoring records, not editorial picks.

Clear water10.2 ft of visibility
Deep water59.1 ft surveyed max depth

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Säyne Lake is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Säyne Lake →

Water quality measurements for Säyne Lake

These are the measurements Syke publishes for Säyne Lake. More on the source.

Good clarity, visible to about 10.2 ft. Phosphorus 9.7 µg/L. Chlorophyll-a 5.5 µg/L. TSI 43.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.1m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	9.7µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	5.5µg/L	Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water.
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.	43	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Säyne Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

18 m

Stays via Stay22

Stays near Säyne Lake

Compare lakeside cabins, hotels, and vacation rentals near Säyne Lake in Rantasalmi, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Säyne Lake

Prices for Oct 2–4, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Säyne Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Säyne Lake

→ Säyne Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Säyne Lake

Where is Säyne Lake?: Säyne Lake is a lake in Rantasalmi, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Säyne Lake?: Säyne Lake in Rantasalmi, Finland has official water-quality measurements, shown as reported. Water clarity: 3.1 m visibility. Phosphorus: 9.7 µg/L. Chlorophyll-a (algae): 5.5 µg/L. Maximum depth: 59.1 ft.
Is Säyne Lake safe to swim in?: Säyne Lake has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
How deep is Säyne Lake?: Säyne Lake has a maximum depth of 59.1 feet.

Explore Säyne Lake across LakeQuality

Lake Fishing Forecast

Species activity outlook by water temperature and season

More lakes in Finland

Lakes in Finland

Official water quality for lakes in Finland

Lake water quality by country

EU bathing ratings and named-lake measurements

Where this data comes from

8 measurements from 1 monitoring station, 2016. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Finnish Environment Institute (Syke) and ELY Centressyke-vesla8 samples · 2016

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

13849

Authority classifications are shown as the authority published them. See where the data comes from and data sources.