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.
Lake Grundlsee at a Glance#
Address: Grundlsee, Styria, Salzkammergut region, Austria
Website: https://www.gesaeuse.steiermark.at/
Hours: 24/7
Admission: Free (local parking fees may apply)
About Lake Grundlsee#
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.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -7° - 1° | -6° | 75 mm | overcast | 93% | 1.9 m/s | 0.1 low | 8.8h |
| February | Poor | -6° - 2° | -5° | 65 mm | overcast | 92% | 2.1 m/s | 0.3 low | 10.1h |
| March | Poor | -3° - 6° | -1° | 87 mm | overcast | 87% | 2.2 m/s | 0.6 moderate | 11.8h |
| April | Acceptable | 1° - 10° | 3° | 80 mm | overcast | 81% | 2.2 m/s | 0.9 moderate | 13.5h |
| May | Good | 5° - 16° | 10° | 99 mm | overcast | 80% | 2.1 m/s | 1.2 high | 14.9h |
| June | Acceptable | 8° - 19° | 13° | 149 mm | overcast | 80% | 1.9 m/s | 1.5 very high | 15.7h |
| July | Good | 10° - 21° | 15° | 168 mm | partly cloudy | 80% | 2.0 m/s | 1.6 very high | 15.3h |
| August | Good | 10° - 21° | 15° | 143 mm | partly cloudy | 81% | 1.7 m/s | 1.3 high | 14.1h |
| September | Good | 7° - 17° | 12° | 108 mm | partly cloudy | 85% | 1.8 m/s | 0.8 moderate | 12.4h |
| October | Acceptable | 2° - 12° | 6° | 78 mm | partly cloudy | 86% | 1.8 m/s | 0.5 low | 10.7h |
| November | Poor | -2° - 5° | -1° | 82 mm | overcast | 90% | 1.9 m/s | 0.2 low | 9.2h |
| December | Poor | -6° - 1° | -5° | 89 mm | overcast | 91% | 1.9 m/s | 0.1 low | 8.3h |
