Jul 29, 2012 - 4:37 PM
Did you mean the round trip Moosfluh - Hängerbrücke - Riederalp as I have drawn it on this map:
http://map.wanderland.ch/?trackId=223862&layers=WanderlandRoutenNational,WanderlandRoutenRegional,WanderlandRoutenLokal,Wanderwegnetz&karte=0.75
Then you need about 5 hours.