What position/direction would you park for Winter?

[Glenn and Lorraine]

I avoid the colder climes but if it were me I would park the rig east/west with the left side facing the south. This way you would be getting the sun directly on the side with the biggest windows thus warming the inside and using less furnace. Be sure to keep the shades open on those sunny days. Also keep in mind that your water line is on the left side and the sun will also be helping to stop the freeze situation.
As far as trees maybe on the north, east or west sides but not on the south where they will block that sun.