In addition to the challenges mentioned above, I noticed a significant amount of red/green color fringing, especially on the edges of the snow covered rocks in the foreground. I eliminated that, straightened the horizon and cropped the image all with one tool in PSCS4 - filter menu, distort, lens correction tool. Creating more detail and transition areas in the sky allowed it to better balance the overall image against the visually strong foreground. I enhanced the contrast in the central distance where the glacier descends to try and draw the eye forward into the scene.
I've spent some time up there at Lake Louise and know that in this light and season the green in the trees is not prominent. The water, however, always has a rather strong turquoise tint. I considered rendering that more accurately but decided that most viewers would be distracted and even troubled if that aspect of the scene was too strong, despite the fact that in person, the color in the water is very strong that way.
Given the nature of the digital file attempts to reduce noise in the blue channel, and sharpening almost anywhere, degraded the image so I avoided those.
That view, the most photographed view of the lake, is almost always a challenge due to the great contrasts involved. My favorite light for that view is that which produces soft pastel colors in the sky and water, with no wind and little cloud cover. As I recall, it's orientation does not lend itself to spectacular sunrise or sunset shots. So the light can be right at odd times depending on the circumstances.
I always enjoy seeing the variety of interpretations with shared RAW files. Thanks for this opportunity!
Linear Mode
