The entire area from Rockbound Lake up to Castle, Helena Ridge, Stuart Knob, and TV Peak is quite the place. May I offer the suggestion of spending 1 night on top of the Castle Mountain plateau. There are some great places to spend the night. Several tarns between Pulsatilla and TV Peak. Some great spots above Rockbound Lake. We actually spent the night at about 2700m just below the Castle Mountain summit close to a snow patch. It was a clear night with no wind and one of the coolest nights spent in the Rockies.