Hello,
It looks like I'm the first to reply to you, so I'll offer what I know about Danse du Feu. I have just found the label for this rose under the climber which has been on the front wall of our cottage for almost 15 years. I had long forgotten the name of the variety. For the first few years it did very well and had beautiful blooms. It has always been very susceptible to black spot, and I put quite a lot of work into it at first. I'm afraid I let it go quite a bit in favor of other roses in the garden (we have over 50), and it had problems. I cut it way back, and last year it recovered on it's own and is putting out new growth now. I resolve to treat it better and bring back its former glory. All of this is by way of saying that they are very resilient, put up with a lot, can be very beautiful, and need attention. We are also up high, in the foothills of the Blue Stack Mountains, in County Donegal Ireland, so both Northern and at some altitude although I don't know what exactly. I think your rose will do just fine on its Southern wall. Ours is facing East, another drawback. We have harsh weather, and I don't think your snow will harm it a bit. Probably some pruning of any thin, spindly, sickly shoots, definitely pruning all dead wood and diseased matter, spraying for blackspot and good fertilization will be very good for it. And you'll love your flowers. Good Luck!