Nice hiking trail for families
From the parking lot of the Grubigstein cable cars you turn left and walk along the Höhenweg to Doukas Holzstadl. After the Holzstadl, take a narrow path upwards, past the Aparthotel Tyrol and continue towards the war cemetery. Follow the meadow path until you reach the entrance to the forest path in the direction of Brettlalm (Gschwandkreuz). After a short walking time you will come to a meadow path again, which leads over the so-called "Wiesmähder". Once again pass under the ropes of the Hochmoos-Express and the Brettlalm is within reach.
IMPORTANT NOTES:
Summer & winter bus of the Tiroler Zugspitz Arena (free with guest card), Postbus (free in the region with guest card), excursion bus Bavaria-Tyrol (only for TZA guests and free with guest card), regional trains (Garmisch-Patenkirchen-Grainau-Ehrwald-Lermoos-Reutte), special bus to Lumagica-Ehrenberg Reutte (free with guest card, winter only, Sundays only)
At the gondola station, Grubigsteinbahn, right at the tour start, you'll find a big parking lot