Ski resorts on the map: over 250 slopes and lift areas from Lapland to southern Finland, by municipality. Free to use, no account.
270 places in
Most ski resorts are in Helsinki (7), Kittilä (5) and Kuopio (5). The full list is below by municipality, and the map can be filtered to your own area.
The remaining places are on the map and in the municipality list.