Highlight • Lake
Grünausee
Hiking
5.0
(56)
Mountaineering
5.0
(56)
Grünausee is a captivating mountain lake nestled at approximately 2,340 meters above sea level in the heart of the Stubai Alps, Tyrol, Austria. Classified as both a lake and a natural monument, it offers a spectacular viewpoint within this majestic alpine region. This moraine-dammed lake, situated between the towering Sulzenaukogel and Urfallspitze, is renowned for its strikingly clear, vibrant turquoise waters, a testament to its glacial origins.
Visitors consistently praise the lake's unique and special color, often described as a mesmerizing clear blue meltwater, which stands out beautifully against the surrounding barren landscape. The serene atmosphere and breathtaking views, including glimpses of impressive glacier tongues in the background, make Grünausee an ideal spot for a peaceful break amidst the high mountains. It’s a place where the stunning alpine scenery truly comes alive.
To reach Grünausee, hikers often begin their journey from the Sulzenauhütte car park, with the hike typically taking around 2.5 hours. The path leads through enchanting forest sections and past impressive waterfalls before opening up to the high alpine terrain. The lake itself is easily accessible, often found about an hour's walk from the Sulzenau Hut. While the lake is a rewarding destination, those seeking further adventure might consider the challenging but worthwhile climb to the Mairspitze.
Hiking is the primary way to experience Grünausee, with many popular trails and routes leading to its shores. The lake is a significant landmark along the famous Stubaier Höhenweg (Stubai High Trail), connecting the Sulzenauhütte and Nürnberger Hütte. The best time to visit is generally during the warmer months when the trails are clear, allowing for optimal enjoyment of the vibrant waters and surrounding alpine environment.
The clear blue meltwater, naturally dammed by the lateral moraine of the Wilder Freiger, is a highlight for many hikers. The lake's remarkable clarity, a result of the complete melting of the Kleiner Grünauferner glacier, allows for beautiful color variations that paint a vivid picture against the rugged backdrop. It's a place that truly captures the essence of the Stubai Valley's high mountain landscape.
Whether you're planning a multi-day trek along the Stubaier Höhenweg or a day hike to this natural wonder, komoot offers a variety of routes to Grünausee. Explore different hiking difficulty levels and discover trails that suit your pace, allowing you to fully immerse yourself in the stunning natural features and viewpoints of this Austrian gem.
Tips
August 18, 2020
Hiking
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June 27, 2017
Mountaineering
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August 19, 2020
Mountaineering
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Details
Informations
Elevation 2,340 m
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Saturday 9 May
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-6°C
63 %
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Max wind speed: 8.0 km/h
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Frequently Asked Questions
What are the most popular hiking routes to Grünausee, and where do they typically start?
The most common starting point for a hike to Grünausee is the Sulzenauhütte car park. From there, the trail leads through varied terrain, including forest paths and past waterfalls, typically taking around 2.5 hours to reach the lake. Grünausee is also a significant landmark along the famous Stubaier Höhenweg (Stubai High Trail), connecting the Sulzenauhütte and Nürnberger Hütte, making it a popular stop for multi-day trekkers.
How challenging is the hike to Grünausee, and what kind of terrain should I expect?
The hike to Grünausee is generally considered intermediate. You can expect a mix of terrain, starting with enchanting forest paths and passing impressive waterfalls before transitioning into high alpine landscapes. While the lake itself is easily accessible, some sections, especially if extending your hike to peaks like the Mairspitze, can be quite challenging and require good physical condition.
Is Grünausee suitable for families with children or dog-friendly?
Grünausee can be suitable for families, especially if children are accustomed to longer hikes on varied terrain. The path from the Sulzenauhütte car park is well-trodden. For dog owners, the trails are generally dog-friendly, but always ensure your dog is on a leash, especially in alpine environments, and be prepared to carry out any waste. Remember to bring enough water for both yourself and your pet.
Where can I find parking for a hike to Grünausee, and are there public transport options available?
The primary parking area for hikes to Grünausee is the Sulzenauhütte car park. It's advisable to arrive early, especially during peak season, as spaces can fill up quickly. For public transport, you would typically take a bus to the Grawa Alm or the Sulzenauhütte car park area, which serves as the trailhead. Check local bus schedules for the Stubai Valley for the most current information.
What is the best time of year to visit Grünausee to experience its unique colors?
While the intro mentions the warmer months are generally best, to truly experience Grünausee's vibrant turquoise waters at their most striking, late summer (August to early September) is often ideal. By this time, most of the snowmelt has occurred, and the lake's clarity and color are at their peak, contrasting beautifully with the surrounding alpine landscape.
Are there any facilities like cafes, pubs, or accommodation near Grünausee?
Grünausee itself is in a high alpine environment and does not have direct facilities. However, the nearby Sulzenauhütte, which is about an hour's walk from the lake, offers accommodation, food, and drinks. This mountain hut serves as a popular base for hikers exploring the area and is a great spot for a break before or after visiting the lake.
Can I swim in Grünausee, and how cold is the water?
While there are no official restrictions against swimming, Grünausee is a high-alpine glacial lake, meaning its waters are exceptionally cold, even in summer. The lake is fed by meltwater, so expect very low temperatures, making it suitable only for a very quick, refreshing dip for the most intrepid swimmers.
What is the geological significance of Grünausee?
Grünausee is a fascinating example of a moraine-dammed lake. Its basin was formed and dammed by the moraines of the Wilde-Freiger glacier, with these rock masses dating back to significant glacial advances in 1850 and 1920. Historically, it was fed by the Kleiner Grünauferner glacier, which gave its waters a cloudy appearance. However, with the complete melting of this glacier, the lake's waters have become remarkably clear, showcasing beautiful color variations.
Are there any specific landmarks or viewpoints around Grünausee that shouldn't be missed?
Beyond the lake's stunning turquoise waters itself, hikers often appreciate the breathtaking views of the surrounding Stubai Alps, including the impressive glacier tongue in the background. The lake is nestled between the Sulzenaukogel (2944 m) and the Urfallspitze (2805 m), offering dramatic alpine vistas. For those seeking an additional challenge and panoramic views, the climb to the Mairspitze is highly recommended.
Is it possible to visit Grünausee during winter, and what are the considerations?
Visiting Grünausee in winter is significantly more challenging and generally only recommended for experienced winter hikers or ski tourers with appropriate gear and knowledge of alpine conditions. The trails will be covered in snow and ice, increasing difficulty and avalanche risk. Access roads may be closed, and mountain huts like the Sulzenauhütte are typically closed during the winter season. Always check current conditions and avalanche forecasts before attempting a winter visit.
How long does it take to hike around Grünausee lake itself?
While the hike to Grünausee can take a few hours, walking around the lake itself is a relatively short and easy endeavor. It's a perfect spot for a break, and a leisurely stroll along its shores to admire the different angles and colors of the water would likely take no more than 15-30 minutes, depending on how many photo stops you make.