Lauteraar, July 2013 Posted on 29 July 2013 by jaj Just a full day trip from Grimsel Hospiz along the Grimselsee and Unteraargletscher to the Lauteraarhütte. July 2013. (And we have even managed to get back!) Gallery Lauteraar on pastvoyages.jankowski.org. Lauteraarhütte on map.wanderland.ch.