Where was The Champion of Pontresina filmed?

1934 film by Herbert Selpin

The Champion of Pontresina (1934) was filmed in Berlin, St. Moritz, Samedan, Pontresina, Morteratsch Glacier, Marienfelde and 1 more place, 7 places named in its Wikipedia article, in Germany, Switzerland. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data