During a walk around the lake you can admire the high cascading waterfalls. Also on display are the magnificent mountains like Péz Fluaz (2814m). It's worth taking a break at the fire pit by the lake to enjoy the views and tranquillity. The fireplaces have a grill and firewood.
If you still have enough stamina on the return hike, there is an option to use the climbing facility along the dam wall. Or for those in need of a break, several rest stops can be found in Pigniu / Panix or Andiast.