Nikon Bob,
Nice images but the contrast is a bit much i.e., lack of tonal range. May be a bit too much PhotoShop processing trying to recover an image, at least that's been my experience with snow bound images that I shoot over exposed. That may not be the case here, and I don't presume to know, just relating my experience trying to capture the tonal range in snow country (I live in Idaho so snow quite well).
Be that as it may, I'm not sure how much experience you have with the pre-asph 35 Summilux but my experience with it is it is the most flare prone lens on the face of this planet (OK, a bit of exaggeration there), but it is at the top of my list of lenses to avoid.
I was in your country, BC, Chiliwack to be exact, shooting my wife in a beautiful flower garden/park, sun no where near the lens, but all the shots came out with the most gross case of flare (sun reflecting off the bright green leaves in the garden) I've ever seen. It was truly a shame because, otherwise, the photos would have been excellent (beautifully saturated colors, excellent contrast, etc.). And that was just the first of what I noticed after having my slides processed in Canada while on my stay there, and it got worse (and it made no difference in what country they were processed, the remainder were processed in the USA and came out no better). Any shots approaching the sun, even outside the frame, were disaster.
I do hope you have better luck with your pre-asph 35 Lux, but as a warning, never leave home without a lens shade, but even that may not help (I had my Leica shade on in all my shots!).
Best regards,
Don