Grünausee (2.335 m)

Spanning an area of almost 50,000 m², Lake Grünau is the largest of the nine mountain lakes in the Stubai Valley. Located at an altitude of 2,335 m, it is what is known as a cirque lake, the bed of which was also forged by the moraines of the Wilde-Freiger glacier. These long-deserted rock masses date all the way back to the major glacial upheavals that occurred in 1850 and 1920. The lake’s immediate surrounding area is additionally characterised by glacial rock deposits left over by a mass of ice dating back over 10,000 years. Lake Grünau was fed by the “Kleiner Grünau” glacier, which – thanks to its murky glacial mix of water and fine mineral deposits – only served to render the lake’s appearance cloudy. However, since the complete melting of the glacier, the lake’s waters have been restored to their clear and wonderful array of colours. The lake releases its water into the “Freigerbach”, a tributary of the “Sulzenaubach”, which itself flows into the “Grawa-Alm” situated in “Ruetz”. One stage of the “Stubaier Höhenweg” trail runs directly along the banks of the Grünausee Lake, between Sulzenau- and Nürnberger Hütte.

Variant 1

Start / Destination: Parkplatz Sulzenauhütte (1.590 m)
Walking time: 5 h
Altitude difference: ↑ 850 HM ↓ 850 HM
Refreshment options: Sulzenau Alm (1.857 m), Sulzenauhütte (2.191 m)

GETTING HERE / STARTING POINT
Either travel by car to the Sulzenau Hut car park shortly after the Grawa waterfall or take the bus to the "Sulzenauhütte" bus stop. Free parking spaces are available there.

TOUR DESCRIPTION
From the Sulzenau Hut car park shortly after the Grawa Alm, the hiking trail leads over the bridge and then continues its winding ascent through the forest. Above the forest edge, you will reach the Sulzenaualm after about 1 hour. From there, the winding path continues for another hour up to the Sulzenau Hut. From the Sulzenau Hut, the path leads eastwards across several streams up to the Grünausee lake, the largest lake in the Stubai Alps. You will reach the Grünausee lake after about 45 minutes. The same route leads back to the starting point.

Variant 2

Start / Destination: Parkplatz Sulzenauhütte (1.590 m) / Parkplatz Nürnberger Hütte (1.370 m)
Walking time: 6 ½ h
Altitude difference: ↑ 1.100 HM ↓ 1.300 HM
Refreshment options: Sulzenau Alm (1.857 m), Sulzenauhütte (2.191 m), Nürnberger Hütte (2.297 m), Bsuachalm (1.580 m)

GETTING HERE / STARTING POINT
Either travel by car to the Sulzenau Hut car park shortly after the Grawa waterfall or take the bus to the "Sulzenauhütte" bus stop. Free parking spaces are available there.

TOUR DESCRIPTION
From the Sulzenau Hut car park shortly after the Grawa Alm, the hiking trail leads over the bridge and then continues its winding ascent through the forest. Above the forest edge, you will reach the Sulzenaualm after about 1 hour. From there, the winding path continues for another hour up to the Sulzenau Hut. From the Sulzenau Hut, the path leads eastwards across several streams up to the Grünausee lake, the largest lake in the Stubai Alps. You will reach the Grünausee lake after about 45 minutes. Passing more clear mountain lakes, the route now heads uphill in a north-easterly direction to the crossing at the Niederl, the highest point of the circular tour. From there, descend to the Nürnberger Hut and continue on to the Bsuachalm. From the Alm you can reach the Nürnberger Hut car park at the bottom of the valley in about 30 minutes. Hint: If you parked your car at the Sulzenau Hut car park, you can return there by public bus. 

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