Lake Grundlsee
Lake Alpine lake in Styria, popular for swimming
A deep alpine lake in Styria’s Ausseerland, set among forested slopes and mountain roads. Boating, swimming and lakeside hiking trails draw regional visitors during summer.
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Lake Grundlsee is a natural alpine lake in Styria, Austria, and the largest lake within the state. It lies in the Ausseerland region and is a well-known local center for swimming, boating and lakeside tourism.
Shoreline villages provide visitor facilities, boat rentals and lakeside accommodation; hiking and cycling routes around the lake link to the surrounding alpine landscape. The lake is used year-round for recreation, with swimming and boating in summer and scenic walks in other seasons.
The lake was formed by glacial processes and sits within a mountain basin of the eastern Alps; its waters and shorelines have long supported local tourism and lakeside settlements. It remains an important natural and recreational asset for the region.
Lake Grundlsee is located in the Ausseerland area of Styria in central-eastern Austria, near the village of Grundlsee and surrounded by forested alpine terrain.
- Regional prominence: The largest natural lake in the state of Styria and a focal point for boating and mountain recreation in the Ausseerland region.
How to Get to Lake Grundlsee #
Grundlsee is reachable by car from the A10 (Tauernautobahn) via local roads in the Salzkammergut; the nearest larger town is Bad Aussee. Trains run to nearby stations with bus connections to the lake; local bus services connect Grundlsee to neighbouring communities.
Tips for Visiting Lake Grundlsee #
- Arrive by late afternoon for the best light and quieter shores; evening reflections on calm days are beautiful.
- Walk the shore trail that connects to small villages - less crowded viewpoints exist outside the main parking area.
- If planning to swim, check local signage for permitted areas and water quality updates; Alpine lakes can be cold even in summer.
Best Time to Visit Lake Grundlsee #
Summer offers the fullest range of activities; shoulder seasons are quieter and still attractive for walks and photography.
Weather & Climate near Lake Grundlsee #
Lake Grundlsee's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -7°C to 21°C. Abundant rainfall (1223 mm/year), wettest in July.
January
January is the coldest month with highs of 1°C and lows of -7°C. Moderate rainfall (75 mm) and mostly overcast skies.
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February
February is freezing with highs of 2°C and lows of -6°C. Moderate rainfall (65 mm) and mostly overcast skies.
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March
March is cold with highs of 6°C and lows of -3°C. Regular rainfall (87 mm) and mostly overcast skies.
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April
April is cold with highs of 10°C and lows of 1°C. Regular rainfall (80 mm) and mostly overcast skies.
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May
May is cool with highs of 16°C and lows of 5°C. Regular rainfall (99 mm) and mostly overcast skies.
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June
June is cool with highs of 19°C and lows of 8°C. Significant rainfall (149 mm) and mostly overcast skies.
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July
July is cool with highs of 21°C and lows of 10°C. The wettest month with heavy rain (168 mm) and partly cloudy skies.
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August
August is cool with highs of 21°C and lows of 10°C. Significant rainfall (143 mm) and partly cloudy skies.
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September
September is cool with highs of 17°C and lows of 6°C. Significant rainfall (108 mm) and partly cloudy skies.
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October
October is cold with highs of 12°C and lows of 2°C. Moderate rainfall (78 mm) and partly cloudy skies.
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November
November is cold with highs of 5°C and lows of -2°C. Regular rainfall (82 mm) and mostly overcast skies.
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December
December is freezing with highs of 1°C and lows of -6°C. Regular rainfall (89 mm) and mostly overcast skies.
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