Where is Suuri Varpasenjärvi?

Suuri Varpasenjärvi is a lake in Mäntyharju, Finland. This page reports official water-quality measurements, shown as reported.

Is Suuri Varpasenjärvi safe to swim in?

Suuri Varpasenjärvi 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 Suuri Varpasenjärvi?

Suuri Varpasenjärvi has a maximum depth of 65.6 feet.

Suuri Varpasenjärvi

Mäntyharju, FinlandView map Directions

Syke publishes the water-quality measurements for Suuri Varpasenjärvi. Here is what has been measured.

Clarity

3.2 m

Clearer than most

Secchi · sampled 2026

Phosphorus

7 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

1.3 µg/L

Less algae than most

Measured by Syke

Max depth

20 m

Bathymetric survey

66 ft max depth
Limited data

See the measurements Directions Where to stay

Suuri Varpasenjärvi in Mäntyharju, Finland has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 1.3 µg/L. Maximum depth: 65.6 ft.

Loading map…

How Suuri Varpasenjärvi is classified

Suuri Varpasenjärvi 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.

Suuri Varpasenjärvi is a lake in Mäntyharju County, Finland with a maximum depth of 66 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-07-21. Methodology: how these readings are compared.

What Suuri Varpasenjärvi is good for

From access and monitoring records, not editorial picks.

Clear water10.3 ft of visibility
Deep water65.6 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 Suuri Varpasenjärvi 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 Suuri Varpasenjärvi →

Water quality measurements for Suuri Varpasenjärvi

These are the measurements Syke publishes for Suuri Varpasenjärvi. More on the source.

Good clarity, visible to about 10.3 ft. Phosphorus 7 µg/L. Chlorophyll-a 1.3 µg/L. TSI 36.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.15m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	7µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.3µg/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.	36	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Suuri Varpasenjärvi

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

Lake Details

Max depth

20 m

Stays via Stay22

Stays near Suuri Varpasenjärvi

Compare lakeside cabins, hotels, and vacation rentals near Suuri Varpasenjärvi in Mäntyharju, 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 Suuri Varpasenjärvi

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 Suuri Varpasenjärvi’s readings

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

Or email

Fishing Suuri Varpasenjärvi

→ Suuri Varpasenjärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Suuri Varpasenjärvi

Where is Suuri Varpasenjärvi?: Suuri Varpasenjärvi is a lake in Mäntyharju, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Suuri Varpasenjärvi?: Suuri Varpasenjärvi in Mäntyharju, Finland has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 1.3 µg/L. Maximum depth: 65.6 ft.
Is Suuri Varpasenjärvi safe to swim in?: Suuri Varpasenjärvi 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 Suuri Varpasenjärvi?: Suuri Varpasenjärvi has a maximum depth of 65.6 feet.

Explore Suuri Varpasenjärvi 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

5 measurements from 1 monitoring station, 2026. 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-vesla5 samples · 2026

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

12124

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