Still not in Paris occupying cold Southern French region (8)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Still not in Paris, occupying cold Southern French region [EVEN (=still, yet) + NE (= not in Paris, i.e. in French)] in [COLD (=C) + S (=south)]; Cévennes is a region in south-central France