From the center of Fieberbrunn you bike along the river "Fieberbrunner Ache" until the public swimming pool. Here you cross over the bridge, turn right to the main street and then left towards "Gebraweg / Pletzergraben". Follow the road until you reach the crossing "Herrgottbrücke" after about 5 km (45 min / difficulty medium). Here ends the tour 253, difficulty middle!
At the crossing you turn right and continue up to the top of the trail at "Lachtalhöhe" (1.673m). From here you bike down to the alpine hut Lämmerbichlalm (1.553 m). End of tour 251 ( total 2 h / difficulty hard).
The Lämmerbichlalm is also an alpine diary. You have to taste the self-made chees, the butter, the bread and all the other delicious things before you retourn to Fieberbrunn.