The newly rebuilt Gruttenhütte has 105 beds which are divided into twin- to eight-bed rooms and mattress. The prices for overnight stays can be enquired directly at the Gruttenhütte. There is a ladies- and a men showers for a fee. Dogs are not allowed and only can sleep outside. The hut does not have WiFi.
Many hiking trails lead to the Gruttenhütte...
Ellmau village (820m) -> Wochenbrunner Alm (1085m): 4.8 km | 285 hm
either on foot through the Spatlahner-Klamm path, or with the car (€ 4 toll). In Summer it is also possible with the hiking bus Wanderbus (with Wilder Kaiser Card only).
Wochenbrunner Alm (1085m) -> Gruttenhütte (1620m):
The shortest, most direct route: 2.67 km | 510 hm
From the Wochenbrunner Alm - straight up over hill and dale - on trail 825.
The most adventurous route: 2.97 km | 520 hm
From the Wochenbrunner Alm - past the Gaudeamushütte and along the KlammlWeg (surefootedness and a head for heights required).
The somewhat "more leisurely" route: 5.00 km | 520 hm
From the Wochenbrunner Alm - to the stone circle and shortly before the Riedlhütte via the GruttenWeg 14a up.
For experienced via ferrata walkers:
- From the Wochenbrunner Alm via the Jubiläumssteig (3.93 km | 570 hm): easy via ferrata, sure-footedness & freedom from vertigo absolutely necessary, equipment depending on experience.
- From the Wochenbrunner Alm via the Klamml via ferrata (2.97 km | 520 hm): Difficulty 1st part: B/C; 2nd part C/D, can only be done with via ferrata equipment and experience
Or along the Kaiserkrone