Jurassic World: Dominion filmed at Grande Dixence Dam, Hérémence. The frozen dam the plane heads toward is this Swiss dam, shot by a second unit and added digitally. On screen it's frozen dam near Biosyn.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
Planning the trip? The Switzerland travel atlas covers money, language and getting around
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Hérémence and it tells you what was shot around you, how to get there, and whether you can actually go in.
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