Crystal-clear Lake Alpler lies at alt. 1506 metres on the northern flank of the Rophaien. It can be reached either on foot from Sisikon via the Butzen or Stock alps, or from Riemenstalden via Chäppeliberg (you can take a PostBus there).
It takes around 90 minutes to reach the Rophaien (alt. 2078 m) from the lake.