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Lake BrienzWater level today

570.71m a.s.l.

+26 cm since yesterday

Measured20 minutes ago

Aare, Brienzwiler (inflow) · Bundesamt für Umwelt (BAFU)

Change across the visible readings

+21 cm

09/20 – 09/21

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View water balance →Year comparison →Temperature profile →
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Today at the lake

The current picture

A factual data summary – not a safety or swimming clearance.

Water temperature

17.9 °C

Rather cool

Modelled

Wind

10.1 km/h

Calm

Measured

Precipitation, 24h

0.0 mm

Dry

Measured

What's happening?

Measured inflows exceed outflows

+27.3 m³/s

The level has been rising for a week.

+0.08 m ü. M. · over 7 days

Weather at the lake

18.3°Air temperature
0.0mmRain, last 24 h
10.1km/hWind
10.9–21.8°Day range

0.0 mm in 48 h · 11.5 mm over 7 days · Gusts 20.5 km/h · 66 % humidity

Source: MeteoSwiss, station Interlaken · 1 hour ago

UV index

Low
0Daily maximum 5
Course of the day
912151821

No protection needed.

Source: Open-Meteo

Recent events

2 hours ago

↑Aare, Brienzwiler (inflow): reading rose by +23.2 m³/s

4 hours ago

↓Lütschine, Gsteig (inflow): reading fell by -0.05 m a.s.l.

5 hours ago

Aare, Ringgenberg-Goldswil (outflow): new weekly low (563.75 m a.s.l.)

5 hours ago

Aare, Ringgenberg-Goldswil (outflow): new weekly low (48.3 m³/s)

8 hours ago

↓Aare, Brienzwiler (temperature): reading fell by -2.1 °C

13 hours ago

Aare, Ringgenberg-Goldswil (outflow): new weekly low (48.8 m³/s)

Stations

11 monitoring stations
Show monitoring stations
Aare, Brienzwiler (inflow) · CH64.1 m³/s20 minutes ago↓Aare, Brienzwiler (inflow) · CH570.71 m a.s.l.20 minutes ago↓Aare, Brienzwiler (temperature) · CH8.3 °C20 minutes ago↓Aare, Ringgenberg-Goldswil (outflow) · CH50.2 m³/s20 minutes ago→Aare, Ringgenberg-Goldswil (outflow) · CH563.77 m a.s.l.20 minutes ago→Aare, Ringgenberg, Goldswil (temperature) · CH17.7 °C20 minutes ago↓Modelled lake temperature (1 m depth) · CH17.9 °C1 hour ago↑Lütschine, Gsteig (inflow) · CH13.4 m³/s20 minutes ago→Lütschine, Gsteig (inflow) · CH585.21 m a.s.l.20 minutes ago→Lütschine, Gsteig (temperature) · CH8.8 °C20 minutes ago↓Ringgenberg · CH563.79 m a.s.l.20 minutes ago→

Webcams at Lake Brienz

Drag the timeline to compare the daily archive images.

Lake Brienz › South-west: Löwen - Hotel Brienzerburli - Brienz - Augstmatthorn

Lake Brienz › South-west: Löwen - Hotel Brienzerburli - Brienz - Augstmatthorn

Archive imageSep 21, 2026, 4:00 PM
Time travelSep 21, 2026, 4:00 PM
09/11Latest image
View original webcam

Understanding the water level

What is the water level of Lake Brienz? See the latest available level, its measurement time and source. Compare readings from the same station to understand the trend.

Reading in context

Putting Lake Brienz's current level in context

The main station at Aare, Brienzwiler (inflow) reports a water level of 570.71 m a.s.l. at Sep 21, 2026, 9:50 PM. The series is provided by Bundesamt für Umwelt (BAFU). This value is the elevation of the water surface above the official height datum, not the water depth at the shore.

Comparison with the nearest valid readings gives +26 cm over 24 hours and +8 cm over seven days. These are net changes between two points in time; they prove neither a continuous rise or fall nor its cause.

Understanding Lake Brienz

Lake Brienz is known for its turquoise water.

This overview includes 11 monitoring stations for water level, discharge, and water temperature. Not every station provides every measurement. Track changes at the same station, checking the timestamp, unit and source notes.

The curve shows recent level changes. A seasonal median, where available, compares the same time of year. Water can rise while remaining below that median: trend and comparison answer different questions. Neither replaces an official warning.

Measurement quality and sources

Data status

  • Measured — Recorded directly at a monitoring station.
  • Modelled — Computed by a scientific model (e.g. lake temperature from Alplakes), not measured on site.
  • Calculated — Derived from existing measurements, e.g. a balance or a change.
  • Archive image — Last archived image, not live.
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